253887801 has 8 divisors (see below), whose sum is σ = 338596800. Its totient is φ = 169218672.

The previous prime is 253887791. The next prime is 253887853. The reversal of 253887801 is 108788352.

It is a happy number.

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

It is not a de Polignac number, because 253887801 - 2⁵ = 253887769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253887871) 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, 11500 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (42324600).

Almost surely, 2^253887801 is an apocalyptic number.

It is an amenable number.

253887801 is a deficient number, since it is larger than the sum of its proper divisors (84708999).

253887801 is a wasteful number, since it uses less digits than its factorization.

253887801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19935.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 253887801 is about 15933.8570660088. The cubic root of 253887801 is about 633.2092901728.

The spelling of 253887801 in words is "two hundred fifty-three million, eight hundred eighty-seven thousand, eight hundred one".