253824874 has 4 divisors (see below), whose sum is σ = 380737314. Its totient is φ = 126912436.

The previous prime is 253824859. The next prime is 253824889. The reversal of 253824874 is 478428352.

253824874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (253824859) and next prime (253824889).

It can be written as a sum of positive squares in only one way, i.e., 231800625 + 22024249 = 15225^2 + 4693^2 .

It is a super-2 number, since 2×253824874² = 128854133322231752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253824874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63456217 + ... + 63456220.

Almost surely, 2^253824874 is an apocalyptic number.

253824874 is a deficient number, since it is larger than the sum of its proper divisors (126912440).

253824874 is a wasteful number, since it uses less digits than its factorization.

253824874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126912439.

The product of its digits is 430080, while the sum is 43.

The square root of 253824874 is about 15931.8823118927. The cubic root of 253824874 is about 633.1569714539.

The spelling of 253824874 in words is "two hundred fifty-three million, eight hundred twenty-four thousand, eight hundred seventy-four".