52266493 has 2 divisors, whose sum is σ = 52266494. Its totient is φ = 52266492.

The previous prime is 52266367. The next prime is 52266509. The reversal of 52266493 is 39466225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 17656804 = 5883^2 + 4202^2 .

It is a cyclic number.

It is not a de Polignac number, because 52266493 - 2²¹ = 50169341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52266293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26133246 + 26133247.

It is an arithmetic number, because the mean of its divisors is an integer number (26133247).

Almost surely, 2^52266493 is an apocalyptic number.

It is an amenable number.

52266493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52266493 is an equidigital number, since it uses as much as digits as its factorization.

52266493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 52266493 is about 7229.5569020515. The cubic root of 52266493 is about 373.8876501067.

The spelling of 52266493 in words is "fifty-two million, two hundred sixty-six thousand, four hundred ninety-three".