52391125 has 16 divisors (see below), whose sum is σ = 68230656. Its totient is φ = 40088400.

The previous prime is 52391123. The next prime is 52391137. The reversal of 52391125 is 52119325.

It is not a de Polignac number, because 52391125 - 2¹ = 52391123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52391093 and 52391102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52391123) 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, 6237 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (4264416).

Almost surely, 2^52391125 is an apocalyptic number.

It is an amenable number.

52391125 is a deficient number, since it is larger than the sum of its proper divisors (15839531).

52391125 is a wasteful number, since it uses less digits than its factorization.

52391125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261 (or 18251 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 52391125 is about 7238.1713850944. The cubic root of 52391125 is about 374.1845986438.

The spelling of 52391125 in words is "fifty-two million, three hundred ninety-one thousand, one hundred twenty-five".