158993925 has 12 divisors (see below), whose sum is σ = 262870080. Its totient is φ = 84796720.

The previous prime is 158993893. The next prime is 158993929. The reversal of 158993925 is 529399851.

It is not a de Polignac number, because 158993925 - 2⁵ = 158993893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158993929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059885 + ... + 1060034.

It is an arithmetic number, because the mean of its divisors is an integer number (21905840).

Almost surely, 2^158993925 is an apocalyptic number.

158993925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158993925 is a deficient number, since it is larger than the sum of its proper divisors (103876155).

158993925 is a wasteful number, since it uses less digits than its factorization.

158993925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119932 (or 2119927 counting only the distinct ones).

The product of its digits is 874800, while the sum is 51.

The square root of 158993925 is about 12609.2793211983. The cubic root of 158993925 is about 541.7432517617.

The spelling of 158993925 in words is "one hundred fifty-eight million, nine hundred ninety-three thousand, nine hundred twenty-five".