225381875 has 10 divisors (see below), whose sum is σ = 281637972. Its totient is φ = 180305000.

The previous prime is 225381839. The next prime is 225381887. The reversal of 225381875 is 578183522.

It is a de Polignac number, because none of the positive numbers 2^k-225381875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 179681 + ... + 180930.

Almost surely, 2^225381875 is an apocalyptic number.

225381875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225381875 is a deficient number, since it is larger than the sum of its proper divisors (56256097).

225381875 is an frugal number, since it uses more digits than its factorization.

225381875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360631 (or 360616 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 225381875 is about 15012.7237701891. The cubic root of 225381875 is about 608.5641000184.

The spelling of 225381875 in words is "two hundred twenty-five million, three hundred eighty-one thousand, eight hundred seventy-five".