52079861 has 2 divisors, whose sum is σ = 52079862. Its totient is φ = 52079860.

The previous prime is 52079851. The next prime is 52079897. The reversal of 52079861 is 16897025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49210225 + 2869636 = 7015^2 + 1694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52079861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52079801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26039930 + 26039931.

It is an arithmetic number, because the mean of its divisors is an integer number (26039931).

Almost surely, 2^52079861 is an apocalyptic number.

It is an amenable number.

52079861 is a deficient number, since it is larger than the sum of its proper divisors (1).

52079861 is an equidigital number, since it uses as much as digits as its factorization.

52079861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 52079861 is about 7216.6377905504. The cubic root of 52079861 is about 373.4420961987.

The spelling of 52079861 in words is "fifty-two million, seventy-nine thousand, eight hundred sixty-one".