79325569 has 2 divisors, whose sum is σ = 79325570. Its totient is φ = 79325568.

The previous prime is 79325567. The next prime is 79325573. The reversal of 79325569 is 96552397.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 18173169 = 7820^2 + 4263^2 .

It is a cyclic number.

It is not a de Polignac number, because 79325569 - 2¹ = 79325567 is a prime.

It is a super-2 number, since 2×79325569² = 12585091794347522, which contains 22 as substring.

Together with 79325567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79325563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39662784 + 39662785.

It is an arithmetic number, because the mean of its divisors is an integer number (39662785).

Almost surely, 2^79325569 is an apocalyptic number.

It is an amenable number.

79325569 is a deficient number, since it is larger than the sum of its proper divisors (1).

79325569 is an equidigital number, since it uses as much as digits as its factorization.

79325569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 46.

The square root of 79325569 is about 8906.4902739519. The cubic root of 79325569 is about 429.6726713887.

It can be divided in two parts, 793 and 25569, that added together give a palindrome (26362).

The spelling of 79325569 in words is "seventy-nine million, three hundred twenty-five thousand, five hundred sixty-nine".