52170493 has 2 divisors, whose sum is σ = 52170494. Its totient is φ = 52170492.

The previous prime is 52170479. The next prime is 52170499. The reversal of 52170493 is 39407125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 11682724 = 6363^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 52170493 - 2²⁵ = 18616061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52170499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26085246 + 26085247.

It is an arithmetic number, because the mean of its divisors is an integer number (26085247).

Almost surely, 2^52170493 is an apocalyptic number.

It is an amenable number.

52170493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52170493 is an equidigital number, since it uses as much as digits as its factorization.

52170493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 52170493 is about 7222.9144394766. The cubic root of 52170493 is about 373.6585982463.

The spelling of 52170493 in words is "fifty-two million, one hundred seventy thousand, four hundred ninety-three".