52725237 has 4 divisors (see below), whose sum is σ = 70300320. Its totient is φ = 35150156.

The previous prime is 52725191. The next prime is 52725241. The reversal of 52725237 is 73252725.

52725237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52725237 - 2¹⁴ = 52708853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52725198 and 52725207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52725287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8787537 + ... + 8787542.

It is an arithmetic number, because the mean of its divisors is an integer number (17575080).

Almost surely, 2^52725237 is an apocalyptic number.

It is an amenable number.

52725237 is a deficient number, since it is larger than the sum of its proper divisors (17575083).

52725237 is a wasteful number, since it uses less digits than its factorization.

52725237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17575082.

The product of its digits is 29400, while the sum is 33.

The square root of 52725237 is about 7261.2145678254. The cubic root of 52725237 is about 374.9783383043.

The spelling of 52725237 in words is "fifty-two million, seven hundred twenty-five thousand, two hundred thirty-seven".