252638875079 has 2 divisors, whose sum is σ = 252638875080. Its totient is φ = 252638875078.

The previous prime is 252638875067. The next prime is 252638875109. The reversal of 252638875079 is 970578836252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252638875079 - 2¹⁶ = 252638809543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252638875009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126319437539 + 126319437540.

It is an arithmetic number, because the mean of its divisors is an integer number (126319437540).

Almost surely, 2^252638875079 is an apocalyptic number.

252638875079 is a deficient number, since it is larger than the sum of its proper divisors (1).

252638875079 is an equidigital number, since it uses as much as digits as its factorization.

252638875079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 252638875079 in words is "two hundred fifty-two billion, six hundred thirty-eight million, eight hundred seventy-five thousand, seventy-nine".