253025636 has 12 divisors (see below), whose sum is σ = 442956780. Its totient is φ = 126466560.

The previous prime is 253025587. The next prime is 253025653. The reversal of 253025636 is 636520352.

It can be written as a sum of positive squares in 2 ways, for example, as 223323136 + 29702500 = 14944^2 + 5450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696 + ... + 22656.

It is an arithmetic number, because the mean of its divisors is an integer number (36913065).

Almost surely, 2^253025636 is an apocalyptic number.

It is an amenable number.

253025636 is a deficient number, since it is larger than the sum of its proper divisors (189931144).

253025636 is a wasteful number, since it uses less digits than its factorization.

253025636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23134 (or 23132 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 253025636 is about 15906.7795609294. The cubic root of 253025636 is about 632.4917159523.

Adding to 253025636 its reverse (636520352), we get a palindrome (889545988).

The spelling of 253025636 in words is "two hundred fifty-three million, twenty-five thousand, six hundred thirty-six".