79583149 has 2 divisors, whose sum is σ = 79583150. Its totient is φ = 79583148.

The previous prime is 79583131. The next prime is 79583201. The reversal of 79583149 is 94138597.

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., 66945124 + 12638025 = 8182^2 + 3555^2 .

It is a cyclic number.

It is not a de Polignac number, because 79583149 - 2⁵ = 79583117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79583099 and 79583108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79583849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39791574 + 39791575.

It is an arithmetic number, because the mean of its divisors is an integer number (39791575).

Almost surely, 2^79583149 is an apocalyptic number.

It is an amenable number.

79583149 is a deficient number, since it is larger than the sum of its proper divisors (1).

79583149 is an equidigital number, since it uses as much as digits as its factorization.

79583149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 79583149 is about 8920.9387958891. The cubic root of 79583149 is about 430.1372358067.

The spelling of 79583149 in words is "seventy-nine million, five hundred eighty-three thousand, one hundred forty-nine".