253260874 has 4 divisors (see below), whose sum is σ = 379891314. Its totient is φ = 126630436.

The previous prime is 253260869. The next prime is 253260881. The reversal of 253260874 is 478062352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 152399025 + 100861849 = 12345^2 + 10043^2 .

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, 63315217 + ... + 63315220.

Almost surely, 2^253260874 is an apocalyptic number.

253260874 is a deficient number, since it is larger than the sum of its proper divisors (126630440).

253260874 is a wasteful number, since it uses less digits than its factorization.

253260874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126630439.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 253260874 is about 15914.1721116745. The cubic root of 253260874 is about 632.6876644783.

The spelling of 253260874 in words is "two hundred fifty-three million, two hundred sixty thousand, eight hundred seventy-four".