225057 has 12 divisors (see below), whose sum is σ = 349296. Its totient is φ = 128520.

The previous prime is 225037. The next prime is 225061. The reversal of 225057 is 750522.

It is not a de Polignac number, because 225057 - 2⁶ = 224993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (225037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619 + ... + 912.

It is an arithmetic number, because the mean of its divisors is an integer number (29108).

2²²⁵⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

225057 is a deficient number, since it is larger than the sum of its proper divisors (124239).

225057 is a wasteful number, since it uses less digits than its factorization.

225057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 225057 is about 474.4017284960. The cubic root of 225057 is about 60.8271556038.

Adding to 225057 its reverse (750522), we get a palindrome (975579).

The spelling of 225057 in words is "two hundred twenty-five thousand, fifty-seven".