79243253 has 2 divisors, whose sum is σ = 79243254. Its totient is φ = 79243252.

The previous prime is 79243247. The next prime is 79243259. The reversal of 79243253 is 35234297.

It is a balanced prime because it is at equal distance from previous prime (79243247) and next prime (79243259).

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 14569489 = 8042^2 + 3817^2 .

It is a cyclic number.

It is not a de Polignac number, because 79243253 - 2⁸ = 79242997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79243259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39621626 + 39621627.

It is an arithmetic number, because the mean of its divisors is an integer number (39621627).

Almost surely, 2^79243253 is an apocalyptic number.

It is an amenable number.

79243253 is a deficient number, since it is larger than the sum of its proper divisors (1).

79243253 is an equidigital number, since it uses as much as digits as its factorization.

79243253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 79243253 is about 8901.8679500428. The cubic root of 79243253 is about 429.5239964313.

The spelling of 79243253 in words is "seventy-nine million, two hundred forty-three thousand, two hundred fifty-three".