252165520423034 has 4 divisors (see below), whose sum is σ = 378248280634554. Its totient is φ = 126082760211516.

The previous prime is 252165520423021. The next prime is 252165520423039. The reversal of 252165520423034 is 430324025561252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 175610282750809 + 76555237672225 = 13251803^2 + 8749585^2 .

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 as a sum of consecutive naturals, namely, 63041380105757 + ... + 63041380105760.

Almost surely, 2^{252165520423034} is an apocalyptic number.

252165520423034 is a deficient number, since it is larger than the sum of its proper divisors (126082760211520).

252165520423034 is a wasteful number, since it uses less digits than its factorization.

252165520423034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126082760211519.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 252165520423034 its reverse (430324025561252), we get a palindrome (682489545984286).

The spelling of 252165520423034 in words is "two hundred fifty-two trillion, one hundred sixty-five billion, five hundred twenty million, four hundred twenty-three thousand, thirty-four".