253186234 has 48 divisors (see below), whose sum is σ = 460423656. Its totient is φ = 104025600.

The previous prime is 253186217. The next prime is 253186237. The reversal of 253186234 is 432681352.

It can be written as a sum of positive squares in 4 ways, for example, as 153685609 + 99500625 = 12397^2 + 9975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253186234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253186237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244582 + ... + 245614.

Almost surely, 2^253186234 is an apocalyptic number.

253186234 is a deficient number, since it is larger than the sum of its proper divisors (207237422).

253186234 is a wasteful number, since it uses less digits than its factorization.

253186234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1144 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 253186234 is about 15911.8268592893. The cubic root of 253186234 is about 632.6255040052.

The spelling of 253186234 in words is "two hundred fifty-three million, one hundred eighty-six thousand, two hundred thirty-four".