253038574561 has 8 divisors (see below), whose sum is σ = 268990624224. Its totient is φ = 237205128000.

The previous prime is 253038574513. The next prime is 253038574571. The reversal of 253038574561 is 165475830352.

It is a happy number.

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 253038574561 - 2⁹ = 253038574049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253038574571) 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, 29646375 + ... + 29654908.

It is an arithmetic number, because the mean of its divisors is an integer number (33623828028).

Almost surely, 2^253038574561 is an apocalyptic number.

It is an amenable number.

253038574561 is a deficient number, since it is larger than the sum of its proper divisors (15952049663).

253038574561 is a wasteful number, since it uses less digits than its factorization.

253038574561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59301551.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 253038574561 in words is "two hundred fifty-three billion, thirty-eight million, five hundred seventy-four thousand, five hundred sixty-one".