425077431 has 12 divisors (see below), whose sum is σ = 570375288. Its totient is φ = 281593584.

The previous prime is 425077427. The next prime is 425077441. The reversal of 425077431 is 134770524.

It is not a de Polignac number, because 425077431 - 2² = 425077427 is a prime.

It is a super-2 number, since 2×425077431² = 361381644691119522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425077392 and 425077401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425077441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77041 + ... + 82373.

It is an arithmetic number, because the mean of its divisors is an integer number (47531274).

Almost surely, 2^425077431 is an apocalyptic number.

425077431 is a deficient number, since it is larger than the sum of its proper divisors (145297857).

425077431 is an equidigital number, since it uses as much as digits as its factorization.

425077431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662 (or 5499 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 425077431 is about 20617.4060201569. The cubic root of 425077431 is about 751.8929551637.

The spelling of 425077431 in words is "four hundred twenty-five million, seventy-seven thousand, four hundred thirty-one".