79549537 has 2 divisors, whose sum is σ = 79549538. Its totient is φ = 79549536.

The previous prime is 79549529. The next prime is 79549541. The reversal of 79549537 is 73594597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52186176 + 27363361 = 7224^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 79549537 - 2³ = 79549529 is a prime.

It is not a weakly prime, because it can be changed into another prime (79549517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39774768 + 39774769.

It is an arithmetic number, because the mean of its divisors is an integer number (39774769).

Almost surely, 2^79549537 is an apocalyptic number.

It is an amenable number.

79549537 is a deficient number, since it is larger than the sum of its proper divisors (1).

79549537 is an equidigital number, since it uses as much as digits as its factorization.

79549537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 49.

The square root of 79549537 is about 8919.0547144863. The cubic root of 79549537 is about 430.0766710228.

The spelling of 79549537 in words is "seventy-nine million, five hundred forty-nine thousand, five hundred thirty-seven".