252172663 has 2 divisors, whose sum is σ = 252172664. Its totient is φ = 252172662.

The previous prime is 252172643. The next prime is 252172691. The reversal of 252172663 is 366271252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252172663 - 2¹⁷ = 252041591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252172643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126086331 + 126086332.

It is an arithmetic number, because the mean of its divisors is an integer number (126086332).

Almost surely, 2^252172663 is an apocalyptic number.

252172663 is a deficient number, since it is larger than the sum of its proper divisors (1).

252172663 is an equidigital number, since it uses as much as digits as its factorization.

252172663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 252172663 is about 15879.9453084701. The cubic root of 252172663 is about 631.7801863013.

The spelling of 252172663 in words is "two hundred fifty-two million, one hundred seventy-two thousand, six hundred sixty-three".