252176565197 has 2 divisors, whose sum is σ = 252176565198. Its totient is φ = 252176565196.

The previous prime is 252176565161. The next prime is 252176565301. The reversal of 252176565197 is 791565671252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235879234276 + 16297330921 = 485674^2 + 127661^2 .

It is a cyclic number.

It is not a de Polignac number, because 252176565197 - 2⁶ = 252176565133 is a prime.

It is a super-4 number, since 4×252176565197⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252176565397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126088282598 + 126088282599.

It is an arithmetic number, because the mean of its divisors is an integer number (126088282599).

Almost surely, 2^252176565197 is an apocalyptic number.

It is an amenable number.

252176565197 is a deficient number, since it is larger than the sum of its proper divisors (1).

252176565197 is an equidigital number, since it uses as much as digits as its factorization.

252176565197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 56.

The spelling of 252176565197 in words is "two hundred fifty-two billion, one hundred seventy-six million, five hundred sixty-five thousand, one hundred ninety-seven".