252073993 has 2 divisors, whose sum is σ = 252073994. Its totient is φ = 252073992.

The previous prime is 252073979. The next prime is 252074047. The reversal of 252073993 is 399370252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187881849 + 64192144 = 13707^2 + 8012^2 .

It is a cyclic number.

It is not a de Polignac number, because 252073993 - 2⁵ = 252073961 is a prime.

It is not a weakly prime, because it can be changed into another prime (252073903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126036996 + 126036997.

It is an arithmetic number, because the mean of its divisors is an integer number (126036997).

Almost surely, 2^252073993 is an apocalyptic number.

It is an amenable number.

252073993 is a deficient number, since it is larger than the sum of its proper divisors (1).

252073993 is an equidigital number, since it uses as much as digits as its factorization.

252073993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 252073993 is about 15876.8382557737. The cubic root of 252073993 is about 631.6977746678.

The spelling of 252073993 in words is "two hundred fifty-two million, seventy-three thousand, nine hundred ninety-three".