252035253101 has 4 divisors (see below), whose sum is σ = 252757417500. Its totient is φ = 251313088704.

The previous prime is 252035253097. The next prime is 252035253131. The reversal of 252035253101 is 101352530252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80948785225 + 171086467876 = 284515^2 + 413626^2 .

It is a cyclic number.

It is not a de Polignac number, because 252035253101 - 2² = 252035253097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252035253131) 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, 361081676 + ... + 361082373.

It is an arithmetic number, because the mean of its divisors is an integer number (63189354375).

Almost surely, 2^252035253101 is an apocalyptic number.

It is an amenable number.

252035253101 is a deficient number, since it is larger than the sum of its proper divisors (722164399).

252035253101 is an equidigital number, since it uses as much as digits as its factorization.

252035253101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722164398.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 252035253101 its reverse (101352530252), we get a palindrome (353387783353).

The spelling of 252035253101 in words is "two hundred fifty-two billion, thirty-five million, two hundred fifty-three thousand, one hundred one".