425403925 has 6 divisors (see below), whose sum is σ = 527500898. Its totient is φ = 340323120.

The previous prime is 425403887. The next prime is 425403931. The reversal of 425403925 is 529304524.

It can be written as a sum of positive squares in 3 ways, for example, as 1620529 + 423783396 = 1273^2 + 20586^2 .

It is not a de Polignac number, because 425403925 - 2¹⁷ = 425272853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8508054 + ... + 8508103.

Almost surely, 2^425403925 is an apocalyptic number.

It is an amenable number.

425403925 is a deficient number, since it is larger than the sum of its proper divisors (102096973).

425403925 is a wasteful number, since it uses less digits than its factorization.

425403925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016167 (or 17016162 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 425403925 is about 20625.3224217223. The cubic root of 425403925 is about 752.0854108558.

The spelling of 425403925 in words is "four hundred twenty-five million, four hundred three thousand, nine hundred twenty-five".