253053081 has 6 divisors (see below), whose sum is σ = 365521130. Its totient is φ = 168702048.

The previous prime is 253053019. The next prime is 253053089. The reversal of 253053081 is 180350352.

253053081 is a `hidden beast` number, since 2 + 53 + 0 + 530 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 182493081 + 70560000 = 13509^2 + 8400^2 .

It is not a de Polignac number, because 253053081 - 2²⁵ = 219498649 is a prime.

It is a super-2 number, since 2×253053081² = 128071723607185122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253053089) 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 5 ways as a sum of consecutive naturals, for example, 14058496 + ... + 14058513.

Almost surely, 2^253053081 is an apocalyptic number.

It is an amenable number.

253053081 is a deficient number, since it is larger than the sum of its proper divisors (112468049).

253053081 is a wasteful number, since it uses less digits than its factorization.

253053081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28117015 (or 28117012 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 253053081 is about 15907.6422200149. The cubic root of 253053081 is about 632.5145833421.

It can be divided in two parts, 2530 and 53081, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 253053081 in words is "two hundred fifty-three million, fifty-three thousand, eighty-one".