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554324431 is a prime number
BaseRepresentation
bin100001000010100…
…101000111001111
31102122001121011111
4201002211013033
52113401340211
6131001032451
716510452133
oct4102450717
91378047144
10554324431
112649a1171
12135785727
138aac592b
14538973c3
15339e9421
hex210a51cf

554324431 has 2 divisors, whose sum is σ = 554324432. Its totient is φ = 554324430.

The previous prime is 554324429. The next prime is 554324443. The reversal of 554324431 is 134423455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554324431 - 21 = 554324429 is a prime.

It is a super-2 number, since 2×5543244312 = 614551149606947522, which contains 22 as substring.

Together with 554324429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 554324393 and 554324402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554324401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277162215 + 277162216.

It is an arithmetic number, because the mean of its divisors is an integer number (277162216).

Almost surely, 2554324431 is an apocalyptic number.

554324431 is a deficient number, since it is larger than the sum of its proper divisors (1).

554324431 is an equidigital number, since it uses as much as digits as its factorization.

554324431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 554324431 is about 23544.0954593715. The cubic root of 554324431 is about 821.4629994867.

Adding to 554324431 its reverse (134423455), we get a palindrome (688747886).

The spelling of 554324431 in words is "five hundred fifty-four million, three hundred twenty-four thousand, four hundred thirty-one".