252464855653 has 4 divisors (see below), whose sum is σ = 252505172448. Its totient is φ = 252424538860.

The previous prime is 252464855593. The next prime is 252464855681. The reversal of 252464855653 is 356558464252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252464855653 - 2⁹ = 252464855141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252464855594 and 252464855603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252464855953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20149003 + ... + 20161528.

It is an arithmetic number, because the mean of its divisors is an integer number (63126293112).

Almost surely, 2^252464855653 is an apocalyptic number.

It is an amenable number.

252464855653 is a deficient number, since it is larger than the sum of its proper divisors (40316795).

252464855653 is an equidigital number, since it uses as much as digits as its factorization.

252464855653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40316794.

The product of its digits is 34560000, while the sum is 55.

The spelling of 252464855653 in words is "two hundred fifty-two billion, four hundred sixty-four million, eight hundred fifty-five thousand, six hundred fifty-three".