79252637 has 2 divisors, whose sum is σ = 79252638. Its totient is φ = 79252636.

The previous prime is 79252619. The next prime is 79252643. The reversal of 79252637 is 73625297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57592921 + 21659716 = 7589^2 + 4654^2 .

It is an emirp because it is prime and its reverse (73625297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79252637 - 2⁶ = 79252573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79252594 and 79252603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79252697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39626318 + 39626319.

It is an arithmetic number, because the mean of its divisors is an integer number (39626319).

Almost surely, 2^79252637 is an apocalyptic number.

It is an amenable number.

79252637 is a deficient number, since it is larger than the sum of its proper divisors (1).

79252637 is an equidigital number, since it uses as much as digits as its factorization.

79252637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 79252637 is about 8902.3950148261. The cubic root of 79252637 is about 429.5409505312.

The spelling of 79252637 in words is "seventy-nine million, two hundred fifty-two thousand, six hundred thirty-seven".