52512369 has 24 divisors (see below), whose sum is σ = 87716160. Its totient is φ = 27697824.

The previous prime is 52512353. The next prime is 52512377. The reversal of 52512369 is 96321525.

It is not a de Polignac number, because 52512369 - 2⁴ = 52512353 is a prime.

It is a super-2 number, since 2×52512369² = 5515097795984322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52512329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11829 + ... + 15650.

It is an arithmetic number, because the mean of its divisors is an integer number (3654840).

Almost surely, 2^52512369 is an apocalyptic number.

It is an amenable number.

52512369 is a deficient number, since it is larger than the sum of its proper divisors (35203791).

52512369 is a wasteful number, since it uses less digits than its factorization.

52512369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27509 (or 27502 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 52512369 is about 7246.5418649174. The cubic root of 52512369 is about 374.4730233574.

The spelling of 52512369 in words is "fifty-two million, five hundred twelve thousand, three hundred sixty-nine".