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536100421 is a prime number
BaseRepresentation
bin11111111101000…
…011111001000101
31101100202201112011
4133331003321011
52044220203141
6125110254221
716166530663
oct3775037105
91340681464
10536100421
112556841aa
1212b657371
13870b49ac
14512b1c33
15320e9881
hex1ff43e45

536100421 has 2 divisors, whose sum is σ = 536100422. Its totient is φ = 536100420.

The previous prime is 536100419. The next prime is 536100443. The reversal of 536100421 is 124001635.

It is an a-pointer prime, because the next prime (536100443) can be obtained adding 536100421 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405821025 + 130279396 = 20145^2 + 11414^2 .

It is a cyclic number.

It is not a de Polignac number, because 536100421 - 21 = 536100419 is a prime.

It is a super-2 number, since 2×5361004212 = 574807322792754482, which contains 22 as substring.

Together with 536100419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 536100392 and 536100401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536100451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268050210 + 268050211.

It is an arithmetic number, because the mean of its divisors is an integer number (268050211).

Almost surely, 2536100421 is an apocalyptic number.

It is an amenable number.

536100421 is a deficient number, since it is larger than the sum of its proper divisors (1).

536100421 is an equidigital number, since it uses as much as digits as its factorization.

536100421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 536100421 is about 23153.8424672882. The cubic root of 536100421 is about 812.3603463644.

The spelling of 536100421 in words is "five hundred thirty-six million, one hundred thousand, four hundred twenty-one".