79523453 has 2 divisors, whose sum is σ = 79523454. Its totient is φ = 79523452.

The previous prime is 79523441. The next prime is 79523459. The reversal of 79523453 is 35432597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41306329 + 38217124 = 6427^2 + 6182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79523453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79523459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39761726 + 39761727.

It is an arithmetic number, because the mean of its divisors is an integer number (39761727).

Almost surely, 2^79523453 is an apocalyptic number.

It is an amenable number.

79523453 is a deficient number, since it is larger than the sum of its proper divisors (1).

79523453 is an equidigital number, since it uses as much as digits as its factorization.

79523453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 79523453 is about 8917.5923320143. The cubic root of 79523453 is about 430.0296590323.

The spelling of 79523453 in words is "seventy-nine million, five hundred twenty-three thousand, four hundred fifty-three".