2152408557 has 16 divisors (see below), whose sum is σ = 3102057728. Its totient is φ = 1319664960.

The previous prime is 2152408549. The next prime is 2152408561. The reversal of 2152408557 is 7558042512.

It is not a de Polignac number, because 2152408557 - 2³ = 2152408549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152408157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91258 + ... + 112395.

It is an arithmetic number, because the mean of its divisors is an integer number (193878608).

Almost surely, 2^2152408557 is an apocalyptic number.

It is an amenable number.

2152408557 is a deficient number, since it is larger than the sum of its proper divisors (949649171).

2152408557 is a wasteful number, since it uses less digits than its factorization.

2152408557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203940.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 2152408557 is about 46394.0573457420. The cubic root of 2152408557 is about 1291.1446597457.

The spelling of 2152408557 in words is "two billion, one hundred fifty-two million, four hundred eight thousand, five hundred fifty-seven".