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532112813 is a prime number
BaseRepresentation
bin11111101101110…
…110010110101101
31101002021010112222
4133231312112231
52042210102223
6124445005125
716120612211
oct3755662655
91332233488
10532112813
11253400261
1212a2537a5
138631996b
1450954941
1531aad0c8
hex1fb765ad

532112813 has 2 divisors, whose sum is σ = 532112814. Its totient is φ = 532112812.

The previous prime is 532112809. The next prime is 532112839. The reversal of 532112813 is 318211235.

It is an a-pointer prime, because the next prime (532112839) can be obtained adding 532112813 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456805129 + 75307684 = 21373^2 + 8678^2 .

It is a cyclic number.

It is not a de Polignac number, because 532112813 - 22 = 532112809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532112863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266056406 + 266056407.

It is an arithmetic number, because the mean of its divisors is an integer number (266056407).

Almost surely, 2532112813 is an apocalyptic number.

It is an amenable number.

532112813 is a deficient number, since it is larger than the sum of its proper divisors (1).

532112813 is an equidigital number, since it uses as much as digits as its factorization.

532112813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 532112813 is about 23067.5705916336. The cubic root of 532112813 is about 810.3411726420.

The spelling of 532112813 in words is "five hundred thirty-two million, one hundred twelve thousand, eight hundred thirteen".