425025031 has 4 divisors (see below), whose sum is σ = 436512232. Its totient is φ = 413537832.

The previous prime is 425025023. The next prime is 425025037. The reversal of 425025031 is 130520524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425025031 - 2³ = 425025023 is a prime.

It is a super-2 number, since 2×425025031² = 361292553953101922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425024993 and 425025011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425025037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743545 + ... + 5743618.

It is an arithmetic number, because the mean of its divisors is an integer number (109128058).

Almost surely, 2^425025031 is an apocalyptic number.

425025031 is a deficient number, since it is larger than the sum of its proper divisors (11487201).

425025031 is a wasteful number, since it uses less digits than its factorization.

425025031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11487200.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 425025031 is about 20616.1352100727. The cubic root of 425025031 is about 751.8620581968.

Adding to 425025031 its reverse (130520524), we get a palindrome (555545555).

The spelling of 425025031 in words is "four hundred twenty-five million, twenty-five thousand, thirty-one".