225374725 has 12 divisors (see below), whose sum is σ = 283295236. Its totient is φ = 177828480.

The previous prime is 225374719. The next prime is 225374731. The reversal of 225374725 is 527473522.

It is an interprime number because it is at equal distance from previous prime (225374719) and next prime (225374731).

It can be written as a sum of positive squares in 6 ways, for example, as 13410244 + 211964481 = 3662^2 + 14559^2 .

It is a de Polignac number, because none of the positive numbers 2^k-225374725 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59922 + ... + 63571.

Almost surely, 2^225374725 is an apocalyptic number.

225374725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225374725 is a deficient number, since it is larger than the sum of its proper divisors (57920511).

225374725 is a wasteful number, since it uses less digits than its factorization.

225374725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123576 (or 123571 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 225374725 is about 15012.4856369623. The cubic root of 225374725 is about 608.5576646010.

The spelling of 225374725 in words is "two hundred twenty-five million, three hundred seventy-four thousand, seven hundred twenty-five".