253235044 has 6 divisors (see below), whose sum is σ = 443161334. Its totient is φ = 126617520.

The previous prime is 253235033. The next prime is 253235051. The reversal of 253235044 is 440532352.

It can be written as a sum of positive squares in only one way, i.e., 185995044 + 67240000 = 13638^2 + 8200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31654377 + ... + 31654384.

Almost surely, 2^253235044 is an apocalyptic number.

It is an amenable number.

253235044 is a deficient number, since it is larger than the sum of its proper divisors (189926290).

253235044 is a wasteful number, since it uses less digits than its factorization.

253235044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63308765 (or 63308763 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 253235044 is about 15913.3605501792. The cubic root of 253235044 is about 632.6661545391. Note that the first 3 decimals are identical.

Adding to 253235044 its reverse (440532352), we get a palindrome (693767396).

The spelling of 253235044 in words is "two hundred fifty-three million, two hundred thirty-five thousand, forty-four".