253052565971 has 8 divisors (see below), whose sum is σ = 264091663104. Its totient is φ = 242016536520.

The previous prime is 253052565967. The next prime is 253052565973. The reversal of 253052565971 is 179565250352.

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 253052565971 - 2² = 253052565967 is a prime.

It is a super-2 number, since 2×253052565971² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253052565973) 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, 597545 + ... + 929066.

It is an arithmetic number, because the mean of its divisors is an integer number (33011457888).

Almost surely, 2^253052565971 is an apocalyptic number.

253052565971 is a deficient number, since it is larger than the sum of its proper divisors (11039097133).

253052565971 is a wasteful number, since it uses less digits than its factorization.

253052565971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533841.

The product of its (nonzero) digits is 2835000, while the sum is 50.

The spelling of 253052565971 in words is "two hundred fifty-three billion, fifty-two million, five hundred sixty-five thousand, nine hundred seventy-one".