225078625 has 16 divisors (see below), whose sum is σ = 281698560. Its totient is φ = 179550000.

The previous prime is 225078611. The next prime is 225078647. The reversal of 225078625 is 526870522.

It is not a de Polignac number, because 225078625 - 2²³ = 216690017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45000 + ... + 49750.

It is an arithmetic number, because the mean of its divisors is an integer number (17606160).

Almost surely, 2^225078625 is an apocalyptic number.

225078625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225078625 is a deficient number, since it is larger than the sum of its proper divisors (56619935).

225078625 is an equidigital number, since it uses as much as digits as its factorization.

225078625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145 (or 5135 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 225078625 is about 15002.6206044144. The cubic root of 225078625 is about 608.2910376966.

The spelling of 225078625 in words is "two hundred twenty-five million, seventy-eight thousand, six hundred twenty-five".