645030935 has 32 divisors (see below), whose sum is σ = 806604480. Its totient is φ = 494926848.

The previous prime is 645030913. The next prime is 645030959. The reversal of 645030935 is 539030546.

It is a cyclic number.

It is not a de Polignac number, because 645030935 - 2¹⁰ = 645029911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 645030895 and 645030904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3957164 + ... + 3957326.

It is an arithmetic number, because the mean of its divisors is an integer number (25206390).

Almost surely, 2^645030935 is an apocalyptic number.

645030935 is a deficient number, since it is larger than the sum of its proper divisors (161573545).

645030935 is a wasteful number, since it uses less digits than its factorization.

645030935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 645030935 is about 25397.4592233160. The cubic root of 645030935 is about 864.0260725836.

The spelling of 645030935 in words is "six hundred forty-five million, thirty thousand, nine hundred thirty-five".