79573601 has 2 divisors, whose sum is σ = 79573602. Its totient is φ = 79573600.

The previous prime is 79573589. The next prime is 79573603. The reversal of 79573601 is 10637597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 274576 = 8905^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 79573601 - 2¹⁸ = 79311457 is a prime.

It is a super-2 number, since 2×79573601² = 12663915952214402, which contains 22 as substring.

Together with 79573603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79573603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39786800 + 39786801.

It is an arithmetic number, because the mean of its divisors is an integer number (39786801).

Almost surely, 2^79573601 is an apocalyptic number.

It is an amenable number.

79573601 is a deficient number, since it is larger than the sum of its proper divisors (1).

79573601 is an equidigital number, since it uses as much as digits as its factorization.

79573601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 79573601 is about 8920.4036343654. The cubic root of 79573601 is about 430.1200331927.

The spelling of 79573601 in words is "seventy-nine million, five hundred seventy-three thousand, six hundred one".