52013247 has 32 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 28924800.

The previous prime is 52013237. The next prime is 52013267. The reversal of 52013247 is 74231025.

It is not a de Polignac number, because 52013247 - 2⁷ = 52013119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52013207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112597 + ... + 113057.

It is an arithmetic number, because the mean of its divisors is an integer number (2561328).

Almost surely, 2^52013247 is an apocalyptic number.

52013247 is a deficient number, since it is larger than the sum of its proper divisors (29949249).

52013247 is a wasteful number, since it uses less digits than its factorization.

52013247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 52013247 is about 7212.0210066250. The cubic root of 52013247 is about 373.2828082312.

It can be divided in two parts, 5201 and 3247, that added together give a palindrome (8448).

The spelling of 52013247 in words is "fifty-two million, thirteen thousand, two hundred forty-seven".