2153425631 has 8 divisors (see below), whose sum is σ = 2475285024. Its totient is φ = 1835123040.

The previous prime is 2153425609. The next prime is 2153425663. The reversal of 2153425631 is 1365243512.

It is a happy number.

2153425631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2153425631 - 2¹⁸ = 2153163487 is a prime.

It is a super-2 number, since 2×2153425631² = 9274483896495496322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153425231) 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, 887900 + ... + 890321.

It is an arithmetic number, because the mean of its divisors is an integer number (309410628).

Almost surely, 2^2153425631 is an apocalyptic number.

2153425631 is a deficient number, since it is larger than the sum of its proper divisors (321859393).

2153425631 is a wasteful number, since it uses less digits than its factorization.

2153425631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778401.

The product of its digits is 21600, while the sum is 32.

The square root of 2153425631 is about 46405.0173041666. The cubic root of 2153425631 is about 1291.3479951942.

The spelling of 2153425631 in words is "two billion, one hundred fifty-three million, four hundred twenty-five thousand, six hundred thirty-one".