79653061 has 2 divisors, whose sum is σ = 79653062. Its totient is φ = 79653060.

The previous prime is 79653029. The next prime is 79653083. The reversal of 79653061 is 16035697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 5262436 = 8625^2 + 2294^2 .

It is an emirp because it is prime and its reverse (16035697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79653061 - 2⁵ = 79653029 is a prime.

It is a super-2 number, since 2×79653061² = 12689220253339442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79653061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79653461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39826530 + 39826531.

It is an arithmetic number, because the mean of its divisors is an integer number (39826531).

Almost surely, 2^79653061 is an apocalyptic number.

It is an amenable number.

79653061 is a deficient number, since it is larger than the sum of its proper divisors (1).

79653061 is an equidigital number, since it uses as much as digits as its factorization.

79653061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 79653061 is about 8924.8563573875. The cubic root of 79653061 is about 430.2631542259.

It can be divided in two parts, 7965 and 3061, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 79653061 in words is "seventy-nine million, six hundred fifty-three thousand, sixty-one".