525400445 has 32 divisors (see below), whose sum is σ = 695882880. Its totient is φ = 379330560.

The previous prime is 525400439. The next prime is 525400517. The reversal of 525400445 is 544004525.

It is not a de Polignac number, because 525400445 - 2⁴ = 525400429 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165917 + ... + 169053.

It is an arithmetic number, because the mean of its divisors is an integer number (21746340).

Almost surely, 2^525400445 is an apocalyptic number.

It is an amenable number.

525400445 is a deficient number, since it is larger than the sum of its proper divisors (170482435).

525400445 is a wasteful number, since it uses less digits than its factorization.

525400445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 525400445 is about 22921.6152354061. The cubic root of 525400445 is about 806.9193786424.

The spelling of 525400445 in words is "five hundred twenty-five million, four hundred thousand, four hundred forty-five".