253964873 has 4 divisors (see below), whose sum is σ = 265006848. Its totient is φ = 242922900.

The previous prime is 253964863. The next prime is 253964881. The reversal of 253964873 is 378469352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253964873 - 2¹⁴ = 253948489 is a prime.

It is a super-2 number, since 2×253964873² = 128996313435812258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253964833) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5520953 + ... + 5520998.

It is an arithmetic number, because the mean of its divisors is an integer number (66251712).

Almost surely, 2^253964873 is an apocalyptic number.

253964873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253964873 is a deficient number, since it is larger than the sum of its proper divisors (11041975).

253964873 is a wasteful number, since it uses less digits than its factorization.

253964873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041974.

The product of its digits is 1088640, while the sum is 47.

The square root of 253964873 is about 15936.2753804018. The cubic root of 253964873 is about 633.2733575400.

The spelling of 253964873 in words is "two hundred fifty-three million, nine hundred sixty-four thousand, eight hundred seventy-three".