253363633325 has 36 divisors (see below), whose sum is σ = 348747863604. Its totient is φ = 182439840000.

The previous prime is 253363633307. The next prime is 253363633337. The reversal of 253363633325 is 523336363352.

It can be written as a sum of positive squares in 6 ways, for example, as 58782889 + 253304850436 = 7667^2 + 503294^2 .

It is not a de Polignac number, because 253363633325 - 2⁸ = 253363633069 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 109112 + ... + 720161.

Almost surely, 2^253363633325 is an apocalyptic number.

253363633325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253363633325 is a deficient number, since it is larger than the sum of its proper divisors (95384230279).

253363633325 is a wasteful number, since it uses less digits than its factorization.

253363633325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829406 (or 829390 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 44.

Adding to 253363633325 its reverse (523336363352), we get a palindrome (776699996677).

It can be divided in two parts, 253363 and 633325, that added together give a palindrome (886688).

The spelling of 253363633325 in words is "two hundred fifty-three billion, three hundred sixty-three million, six hundred thirty-three thousand, three hundred twenty-five".