512253431 has 2 divisors, whose sum is σ = 512253432. Its totient is φ = 512253430.

The previous prime is 512253403. The next prime is 512253437. The reversal of 512253431 is 134352215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512253431 is a prime.

It is a super-2 number, since 2×512253431² = 524807155142543522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512253431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512253437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256126715 + 256126716.

It is an arithmetic number, because the mean of its divisors is an integer number (256126716).

Almost surely, 2^512253431 is an apocalyptic number.

512253431 is a deficient number, since it is larger than the sum of its proper divisors (1).

512253431 is an equidigital number, since it uses as much as digits as its factorization.

512253431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 512253431 is about 22633.0163919881. The cubic root of 512253431 is about 800.1319735400.

The spelling of 512253431 in words is "five hundred twelve million, two hundred fifty-three thousand, four hundred thirty-one".