2153640425 has 24 divisors (see below), whose sum is σ = 2753823744. Its totient is φ = 1669952960.

The previous prime is 2153640413. The next prime is 2153640449. The reversal of 2153640425 is 5240463512.

2153640425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2153640425 - 2¹⁰ = 2153639401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153640391 and 2153640400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100184 + ... + 119766.

It is an arithmetic number, because the mean of its divisors is an integer number (114742656).

Almost surely, 2^2153640425 is an apocalyptic number.

2153640425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153640425 is a deficient number, since it is larger than the sum of its proper divisors (600183319).

2153640425 is a wasteful number, since it uses less digits than its factorization.

2153640425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729 (or 19724 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2153640425 is about 46407.3315867224. The cubic root of 2153640425 is about 1291.3909290474.

The spelling of 2153640425 in words is "two billion, one hundred fifty-three million, six hundred forty thousand, four hundred twenty-five".