425400906 has 16 divisors (see below), whose sum is σ = 972345024. Its totient is φ = 121543104.

The previous prime is 425400853. The next prime is 425400917. The reversal of 425400906 is 609004524.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064255 + ... + 5064338.

It is an arithmetic number, because the mean of its divisors is an integer number (60771564).

Almost surely, 2^425400906 is an apocalyptic number.

425400906 is an abundant number, since it is smaller than the sum of its proper divisors (546944118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425400906 is a wasteful number, since it uses less digits than its factorization.

425400906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128605.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 425400906 is about 20625.2492348577. The cubic root of 425400906 is about 752.0836317222.

The spelling of 425400906 in words is "four hundred twenty-five million, four hundred thousand, nine hundred six".