425253931 has 2 divisors, whose sum is σ = 425253932. Its totient is φ = 425253930.

The previous prime is 425253893. The next prime is 425253947. The reversal of 425253931 is 139352524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425253931 - 2¹³ = 425245739 is a prime.

It is a super-2 number, since 2×425253931² = 361681811661905522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425253971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212626965 + 212626966.

It is an arithmetic number, because the mean of its divisors is an integer number (212626966).

Almost surely, 2^425253931 is an apocalyptic number.

425253931 is a deficient number, since it is larger than the sum of its proper divisors (1).

425253931 is an equidigital number, since it uses as much as digits as its factorization.

425253931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 425253931 is about 20621.6859398062. The cubic root of 425253931 is about 751.9970073774.

The spelling of 425253931 in words is "four hundred twenty-five million, two hundred fifty-three thousand, nine hundred thirty-one".