52573397 has 2 divisors, whose sum is σ = 52573398. Its totient is φ = 52573396.

The previous prime is 52573387. The next prime is 52573447. The reversal of 52573397 is 79337525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40119556 + 12453841 = 6334^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 52573397 - 2⁸ = 52573141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52573327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26286698 + 26286699.

It is an arithmetic number, because the mean of its divisors is an integer number (26286699).

Almost surely, 2^52573397 is an apocalyptic number.

It is an amenable number.

52573397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52573397 is an equidigital number, since it uses as much as digits as its factorization.

52573397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198450, while the sum is 41.

The square root of 52573397 is about 7250.7514782952. The cubic root of 52573397 is about 374.6180335884.

The spelling of 52573397 in words is "fifty-two million, five hundred seventy-three thousand, three hundred ninety-seven".