79000253 has 2 divisors, whose sum is σ = 79000254. Its totient is φ = 79000252.

The previous prime is 79000249. The next prime is 79000267. The reversal of 79000253 is 35200097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 28334329 = 7118^2 + 5323^2 .

It is a cyclic number.

It is not a de Polignac number, because 79000253 - 2² = 79000249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79000213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500126 + 39500127.

It is an arithmetic number, because the mean of its divisors is an integer number (39500127).

Almost surely, 2^79000253 is an apocalyptic number.

It is an amenable number.

79000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000253 is an equidigital number, since it uses as much as digits as its factorization.

79000253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 79000253 is about 8888.2086496661. The cubic root of 79000253 is about 429.0845007539.

The spelling of 79000253 in words is "seventy-nine million, two hundred fifty-three", and thus it is an aban number.