252165520423033 has 4 divisors (see below), whose sum is σ = 288189166197760. Its totient is φ = 216141874648308.

The previous prime is 252165520423021. The next prime is 252165520423039. The reversal of 252165520423033 is 330324025561252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252165520423033 - 2¹⁷ = 252165520291961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252165520423039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18011822887353 + ... + 18011822887366.

It is an arithmetic number, because the mean of its divisors is an integer number (72047291549440).

Almost surely, 2^{252165520423033} is an apocalyptic number.

It is an amenable number.

252165520423033 is a deficient number, since it is larger than the sum of its proper divisors (36023645774727).

252165520423033 is an equidigital number, since it uses as much as digits as its factorization.

252165520423033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36023645774726.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 252165520423033 its reverse (330324025561252), we get a palindrome (582489545984285).

The spelling of 252165520423033 in words is "two hundred fifty-two trillion, one hundred sixty-five billion, five hundred twenty million, four hundred twenty-three thousand, thirty-three".