525435645 has 16 divisors (see below), whose sum is σ = 960796800. Its totient is φ = 240199104.

The previous prime is 525435577. The next prime is 525435661. The reversal of 525435645 is 546534525.

It is not a de Polignac number, because 525435645 - 2⁸ = 525435389 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501970 + ... + 2502179.

It is an arithmetic number, because the mean of its divisors is an integer number (60049800).

Almost surely, 2^525435645 is an apocalyptic number.

It is an amenable number.

525435645 is a deficient number, since it is larger than the sum of its proper divisors (435361155).

525435645 is a wasteful number, since it uses less digits than its factorization.

525435645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004164.

The product of its digits is 360000, while the sum is 39.

The square root of 525435645 is about 22922.3830567417. The cubic root of 525435645 is about 806.9373985027.

The spelling of 525435645 in words is "five hundred twenty-five million, four hundred thirty-five thousand, six hundred forty-five".