253088681 has 8 divisors (see below), whose sum is σ = 265154304. Its totient is φ = 241266960.

The previous prime is 253088629. The next prime is 253088687. The reversal of 253088681 is 186880352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253088681 is a prime.

It is a super-2 number, since 2×253088681² = 128107760900639522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253088687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58850 + ... + 63003.

It is an arithmetic number, because the mean of its divisors is an integer number (33144288).

Almost surely, 2^253088681 is an apocalyptic number.

It is an amenable number.

253088681 is a deficient number, since it is larger than the sum of its proper divisors (12065623).

253088681 is a wasteful number, since it uses less digits than its factorization.

253088681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121951.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 253088681 is about 15908.7611396991. The cubic root of 253088681 is about 632.5442430789.

The spelling of 253088681 in words is "two hundred fifty-three million, eighty-eight thousand, six hundred eighty-one".