5256253653 has 8 divisors (see below), whose sum is σ = 8009529408. Its totient is φ = 3003573504.

The previous prime is 5256253643. The next prime is 5256253657. The reversal of 5256253653 is 3563526525.

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

It is not a de Polignac number, because 5256253653 - 2⁹ = 5256253141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256253657) 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, 125148876 + ... + 125148917.

It is an arithmetic number, because the mean of its divisors is an integer number (1001191176).

Almost surely, 2^5256253653 is an apocalyptic number.

It is an amenable number.

5256253653 is a deficient number, since it is larger than the sum of its proper divisors (2753275755).

5256253653 is a wasteful number, since it uses less digits than its factorization.

5256253653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250297803.

The product of its digits is 810000, while the sum is 42.

The square root of 5256253653 is about 72500.0251930991. The cubic root of 5256253653 is about 1738.7031395538.

The spelling of 5256253653 in words is "five billion, two hundred fifty-six million, two hundred fifty-three thousand, six hundred fifty-three".