78532125 has 32 divisors (see below), whose sum is σ = 149350656. Its totient is φ = 35899200.

The previous prime is 78532117. The next prime is 78532171. The reversal of 78532125 is 52123587.

It is not a de Polignac number, because 78532125 - 2³ = 78532117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12334 + ... + 17583.

It is an arithmetic number, because the mean of its divisors is an integer number (4667208).

Almost surely, 2^78532125 is an apocalyptic number.

78532125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78532125 is a deficient number, since it is larger than the sum of its proper divisors (70818531).

78532125 is a wasteful number, since it uses less digits than its factorization.

78532125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29942 (or 29932 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 78532125 is about 8861.8353065265. The cubic root of 78532125 is about 428.2352860245.

The spelling of 78532125 in words is "seventy-eight million, five hundred thirty-two thousand, one hundred twenty-five".