52502389 has 4 divisors (see below), whose sum is σ = 53392320. Its totient is φ = 51612460.

The previous prime is 52502363. The next prime is 52502393. The reversal of 52502389 is 98320525.

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 52502389 - 2¹¹ = 52500341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52502309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444877 + ... + 444994.

It is an arithmetic number, because the mean of its divisors is an integer number (13348080).

Almost surely, 2^52502389 is an apocalyptic number.

52502389 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

52502389 is a deficient number, since it is larger than the sum of its proper divisors (889931).

52502389 is an equidigital number, since it uses as much as digits as its factorization.

52502389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889930.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 52502389 is about 7245.8532278814. The cubic root of 52502389 is about 374.4492989307.

The spelling of 52502389 in words is "fifty-two million, five hundred two thousand, three hundred eighty-nine".