425913128 has 16 divisors (see below), whose sum is σ = 799661760. Its totient is φ = 212670000.

The previous prime is 425913077. The next prime is 425913143. The reversal of 425913128 is 821319524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29438 + ... + 41453.

It is an arithmetic number, because the mean of its divisors is an integer number (49978860).

Almost surely, 2^425913128 is an apocalyptic number.

It is an amenable number.

425913128 is a deficient number, since it is larger than the sum of its proper divisors (373748632).

425913128 is a wasteful number, since it uses less digits than its factorization.

425913128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71648 (or 71644 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 425913128 is about 20637.6628521739. The cubic root of 425913128 is about 752.3853700440.

The spelling of 425913128 in words is "four hundred twenty-five million, nine hundred thirteen thousand, one hundred twenty-eight".