253669252 has 6 divisors (see below), whose sum is σ = 443921198. Its totient is φ = 126834624.

The previous prime is 253669219. The next prime is 253669267. The reversal of 253669252 is 252966352.

It can be written as a sum of positive squares in only one way, i.e., 212401476 + 41267776 = 14574^2 + 6424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31708653 + ... + 31708660.

Almost surely, 2^253669252 is an apocalyptic number.

It is an amenable number.

253669252 is a deficient number, since it is larger than the sum of its proper divisors (190251946).

253669252 is a wasteful number, since it uses less digits than its factorization.

253669252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63417317 (or 63417315 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 253669252 is about 15926.9975827210. The cubic root of 253669252 is about 633.0275471824.

The spelling of 253669252 in words is "two hundred fifty-three million, six hundred sixty-nine thousand, two hundred fifty-two".