52198213 has 4 divisors (see below), whose sum is σ = 52281568. Its totient is φ = 52114860.

The previous prime is 52198193. The next prime is 52198217. The reversal of 52198213 is 31289125.

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 a de Polignac number, because none of the positive numbers 2^k-52198213 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 (52198217) 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, 40731 + ... + 41992.

It is an arithmetic number, because the mean of its divisors is an integer number (13070392).

Almost surely, 2^52198213 is an apocalyptic number.

It is an amenable number.

52198213 is a deficient number, since it is larger than the sum of its proper divisors (83355).

52198213 is an equidigital number, since it uses as much as digits as its factorization.

52198213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83354.

The product of its digits is 4320, while the sum is 31.

The square root of 52198213 is about 7224.8330776565. The cubic root of 52198213 is about 373.7247658045.

The spelling of 52198213 in words is "fifty-two million, one hundred ninety-eight thousand, two hundred thirteen".