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564662431 is a prime number
BaseRepresentation
bin100001101010000…
…001000010011111
31110100111211020101
4201222001002133
52124023144211
6132010401531
716664360104
oct4152010237
91410454211
10564662431
1126a812273
121391302a7
138cca52a8
1454dc8aab
153488c5c1
hex21a8109f

564662431 has 2 divisors, whose sum is σ = 564662432. Its totient is φ = 564662430.

The previous prime is 564662407. The next prime is 564662437. The reversal of 564662431 is 134266465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564662431 - 213 = 564654239 is a prime.

It is a super-2 number, since 2×5646624312 = 637687321965659522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564662437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282331215 + 282331216.

It is an arithmetic number, because the mean of its divisors is an integer number (282331216).

Almost surely, 2564662431 is an apocalyptic number.

564662431 is a deficient number, since it is larger than the sum of its proper divisors (1).

564662431 is an equidigital number, since it uses as much as digits as its factorization.

564662431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 564662431 is about 23762.6267697828. The cubic root of 564662431 is about 826.5382654985.

The spelling of 564662431 in words is "five hundred sixty-four million, six hundred sixty-two thousand, four hundred thirty-one".