52197173 has 4 divisors (see below), whose sum is σ = 59653920. Its totient is φ = 44740428.

The previous prime is 52197133. The next prime is 52197181. The reversal of 52197173 is 37179125.

It is a happy number.

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 52197173 - 2⁸ = 52196917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52197133) 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, 3728363 + ... + 3728376.

It is an arithmetic number, because the mean of its divisors is an integer number (14913480).

Almost surely, 2^52197173 is an apocalyptic number.

It is an amenable number.

52197173 is a deficient number, since it is larger than the sum of its proper divisors (7456747).

52197173 is an equidigital number, since it uses as much as digits as its factorization.

52197173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456746.

The product of its digits is 13230, while the sum is 35.

The square root of 52197173 is about 7224.7611033168. The cubic root of 52197173 is about 373.7222837506.

The spelling of 52197173 in words is "fifty-two million, one hundred ninety-seven thousand, one hundred seventy-three".