253240801 has 8 divisors (see below), whose sum is σ = 278280864. Its totient is φ = 228537120.

The previous prime is 253240781. The next prime is 253240811. The reversal of 253240801 is 108042352.

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

It is a cyclic number.

It is not a de Polignac number, because 253240801 - 2⁹ = 253240289 is a prime.

It is a super-2 number, since 2×253240801² = 128261806582243202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253240811) 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 7 ways as a sum of consecutive naturals, for example, 82515 + ... + 85528.

It is an arithmetic number, because the mean of its divisors is an integer number (34785108).

Almost surely, 2^253240801 is an apocalyptic number.

It is an amenable number.

253240801 is a deficient number, since it is larger than the sum of its proper divisors (25040063).

253240801 is a wasteful number, since it uses less digits than its factorization.

253240801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168191.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 253240801 is about 15913.5414348912. The cubic root of 253240801 is about 632.6709488090.

The spelling of 253240801 in words is "two hundred fifty-three million, two hundred forty thousand, eight hundred one".