253525225 has 24 divisors (see below), whose sum is σ = 318908160. Its totient is φ = 199920000.

The previous prime is 253525219. The next prime is 253525231. The reversal of 253525225 is 522525352.

It is an interprime number because it is at equal distance from previous prime (253525219) and next prime (253525231).

It is not a de Polignac number, because 253525225 - 2⁵ = 253525193 is a prime.

It is a super-2 number, since 2×253525225² = 128550079422601250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902085 + ... + 902365.

It is an arithmetic number, because the mean of its divisors is an integer number (13287840).

Almost surely, 2^253525225 is an apocalyptic number.

253525225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253525225 is a deficient number, since it is larger than the sum of its proper divisors (65382935).

253525225 is a wasteful number, since it uses less digits than its factorization.

253525225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 676 counting only the distinct ones).

The product of its digits is 30000, while the sum is 31.

The square root of 253525225 is about 15922.4754670874. The cubic root of 253525225 is about 632.9077188121.

The spelling of 253525225 in words is "two hundred fifty-three million, five hundred twenty-five thousand, two hundred twenty-five".