252345101 has 4 divisors (see below), whose sum is σ = 252409692. Its totient is φ = 252280512.

The previous prime is 252345091. The next prime is 252345131. The reversal of 252345101 is 101543252.

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 228040201 + 24304900 = 15101^2 + 4930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252345101 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 (252345131) 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, 26030 + ... + 34383.

It is an arithmetic number, because the mean of its divisors is an integer number (63102423).

Almost surely, 2^252345101 is an apocalyptic number.

It is an amenable number.

252345101 is a deficient number, since it is larger than the sum of its proper divisors (64591).

252345101 is an equidigital number, since it uses as much as digits as its factorization.

252345101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64590.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 252345101 is about 15885.3738073739. The cubic root of 252345101 is about 631.9241592017.

Adding to 252345101 its reverse (101543252), we get a palindrome (353888353).

The spelling of 252345101 in words is "two hundred fifty-two million, three hundred forty-five thousand, one hundred one".