252507719 has 2 divisors, whose sum is σ = 252507720. Its totient is φ = 252507718.

The previous prime is 252507713. The next prime is 252507733. The reversal of 252507719 is 917705252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252507719 is a prime.

It is a super-2 number, since 2×252507719² = 127520296309165922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252507713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126253859 + 126253860.

It is an arithmetic number, because the mean of its divisors is an integer number (126253860).

Almost surely, 2^252507719 is an apocalyptic number.

252507719 is a deficient number, since it is larger than the sum of its proper divisors (1).

252507719 is an equidigital number, since it uses as much as digits as its factorization.

252507719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 252507719 is about 15890.4914650240. The cubic root of 252507719 is about 632.0598730531.

The spelling of 252507719 in words is "two hundred fifty-two million, five hundred seven thousand, seven hundred nineteen".