225604537475 has 24 divisors (see below), whose sum is σ = 303972449280. Its totient is φ = 165468852000.

The previous prime is 225604537463. The next prime is 225604537507. The reversal of 225604537475 is 574735406522.

It is not a de Polignac number, because 225604537475 - 2⁸ = 225604537219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7645871 + ... + 7675320.

It is an arithmetic number, because the mean of its divisors is an integer number (12665518720).

Almost surely, 2^225604537475 is an apocalyptic number.

225604537475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225604537475 is a deficient number, since it is larger than the sum of its proper divisors (78367911805).

225604537475 is a wasteful number, since it uses less digits than its factorization.

225604537475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15321251 (or 15321246 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 225604537475 in words is "two hundred twenty-five billion, six hundred four million, five hundred thirty-seven thousand, four hundred seventy-five".