253342625 has 8 divisors (see below), whose sum is σ = 316171752. Its totient is φ = 202674000.

The previous prime is 253342559. The next prime is 253342667. The reversal of 253342625 is 526243352.

It can be written as a sum of positive squares in 4 ways, for example, as 49224256 + 204118369 = 7016^2 + 14287^2 .

It is not a de Polignac number, because 253342625 - 2¹² = 253338529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253342591 and 253342600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013246 + ... + 1013495.

It is an arithmetic number, because the mean of its divisors is an integer number (39521469).

Almost surely, 2^253342625 is an apocalyptic number.

253342625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253342625 is a deficient number, since it is larger than the sum of its proper divisors (62829127).

253342625 is an equidigital number, since it uses as much as digits as its factorization.

253342625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026756 (or 2026746 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 253342625 is about 15916.7404012254. The cubic root of 253342625 is about 632.7557330067.

Adding to 253342625 its reverse (526243352), we get a palindrome (779585977).

The spelling of 253342625 in words is "two hundred fifty-three million, three hundred forty-two thousand, six hundred twenty-five".