52248213 has 16 divisors (see below), whose sum is σ = 77563200. Its totient is φ = 34760880.

The previous prime is 52248211. The next prime is 52248221. The reversal of 52248213 is 31284225.

It is not a de Polignac number, because 52248213 - 2¹ = 52248211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52248211) 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, 13723 + ... + 17111.

It is an arithmetic number, because the mean of its divisors is an integer number (4847700).

Almost surely, 2^52248213 is an apocalyptic number.

It is an amenable number.

52248213 is a deficient number, since it is larger than the sum of its proper divisors (25314987).

52248213 is a wasteful number, since it uses less digits than its factorization.

52248213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3963 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 52248213 is about 7228.2925369689. The cubic root of 52248213 is about 373.8440564466.

The spelling of 52248213 in words is "fifty-two million, two hundred forty-eight thousand, two hundred thirteen".