79056281 has 2 divisors, whose sum is σ = 79056282. Its totient is φ = 79056280.

The previous prime is 79056227. The next prime is 79056377. The reversal of 79056281 is 18265097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79049881 + 6400 = 8891^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 79056281 - 2²² = 74861977 is a prime.

It is a super-2 number, since 2×79056281² = 12499791131101922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79056781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39528140 + 39528141.

It is an arithmetic number, because the mean of its divisors is an integer number (39528141).

Almost surely, 2^79056281 is an apocalyptic number.

It is an amenable number.

79056281 is a deficient number, since it is larger than the sum of its proper divisors (1).

79056281 is an equidigital number, since it uses as much as digits as its factorization.

79056281 is an evil number, because the sum of its binary digits is even.

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

The square root of 79056281 is about 8891.3599072358. The cubic root of 79056281 is about 429.1859142068.

The spelling of 79056281 in words is "seventy-nine million, fifty-six thousand, two hundred eighty-one".