239975253 has 12 divisors (see below), whose sum is σ = 396149728. Its totient is φ = 137128680.

The previous prime is 239975251. The next prime is 239975257. The reversal of 239975253 is 352579932.

239975253 is a `hidden beast` number, since 2 + 39 + 97 + 525 + 3 = 666.

It is not a de Polignac number, because 239975253 - 2¹ = 239975251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239975199 and 239975208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239975251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1904503 + ... + 1904628.

Almost surely, 2^239975253 is an apocalyptic number.

It is an amenable number.

239975253 is a deficient number, since it is larger than the sum of its proper divisors (156174475).

239975253 is a wasteful number, since it uses less digits than its factorization.

239975253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809144 (or 3809141 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The square root of 239975253 is about 15491.1346582489. The cubic root of 239975253 is about 621.4251408225.

The spelling of 239975253 in words is "two hundred thirty-nine million, nine hundred seventy-five thousand, two hundred fifty-three".