425760645 has 32 divisors (see below), whose sum is σ = 724510080. Its totient is φ = 212889600.

The previous prime is 425760553. The next prime is 425760677. The reversal of 425760645 is 546067524.

It is not a de Polignac number, because 425760645 - 2⁸ = 425760389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19945 + ... + 35345.

It is an arithmetic number, because the mean of its divisors is an integer number (22640940).

Almost surely, 2^425760645 is an apocalyptic number.

It is an amenable number.

425760645 is a deficient number, since it is larger than the sum of its proper divisors (298749435).

425760645 is a wasteful number, since it uses less digits than its factorization.

425760645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 425760645 is about 20633.9682320197. The cubic root of 425760645 is about 752.2955710805.

The spelling of 425760645 in words is "four hundred twenty-five million, seven hundred sixty thousand, six hundred forty-five".