253522325 has 36 divisors (see below), whose sum is σ = 367359300. Its totient is φ = 173053440.

The previous prime is 253522319. The next prime is 253522391. The reversal of 253522325 is 523225352.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 362404 + 253159921 = 602^2 + 15911^2 .

It is a de Polignac number, because none of the positive numbers 2^k-253522325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 427229 + ... + 427821.

It is an arithmetic number, because the mean of its divisors is an integer number (10204425).

Almost surely, 2^253522325 is an apocalyptic number.

253522325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253522325 is a deficient number, since it is larger than the sum of its proper divisors (113836975).

253522325 is a wasteful number, since it uses less digits than its factorization.

253522325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 954 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 253522325 is about 15922.3844005852. The cubic root of 253522325 is about 632.9053055882.

Adding to 253522325 its reverse (523225352), we get a palindrome (776747677).

The spelling of 253522325 in words is "two hundred fifty-three million, five hundred twenty-two thousand, three hundred twenty-five".