252021783179 has 2 divisors, whose sum is σ = 252021783180. Its totient is φ = 252021783178.

The previous prime is 252021783131. The next prime is 252021783197. The reversal of 252021783179 is 971387120252.

It is a happy number.

Together with next prime (252021783197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252021783179 - 2²⁴ = 252005005963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (252021783199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126010891589 + 126010891590.

It is an arithmetic number, because the mean of its divisors is an integer number (126010891590).

Almost surely, 2^252021783179 is an apocalyptic number.

252021783179 is a deficient number, since it is larger than the sum of its proper divisors (1).

252021783179 is an equidigital number, since it uses as much as digits as its factorization.

252021783179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 252021783179 in words is "two hundred fifty-two billion, twenty-one million, seven hundred eighty-three thousand, one hundred seventy-nine".