52105997 has 2 divisors, whose sum is σ = 52105998. Its totient is φ = 52105996.

The previous prime is 52105931. The next prime is 52106053. The reversal of 52105997 is 79950125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37136836 + 14969161 = 6094^2 + 3869^2 .

It is a cyclic number.

It is not a de Polignac number, because 52105997 - 2²⁴ = 35328781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52105997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52105397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26052998 + 26052999.

It is an arithmetic number, because the mean of its divisors is an integer number (26052999).

Almost surely, 2^52105997 is an apocalyptic number.

It is an amenable number.

52105997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52105997 is an equidigital number, since it uses as much as digits as its factorization.

52105997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 52105997 is about 7218.4483789801. The cubic root of 52105997 is about 373.5045557252.

The spelling of 52105997 in words is "fifty-two million, one hundred five thousand, nine hundred ninety-seven".