252200705 has 4 divisors (see below), whose sum is σ = 302640852. Its totient is φ = 201760560.

The previous prime is 252200701. The next prime is 252200749. The reversal of 252200705 is 507002252.

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 106853569 + 145347136 = 10337^2 + 12056^2 .

It is not a de Polignac number, because 252200705 - 2² = 252200701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252200701) 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, 25220066 + ... + 25220075.

It is an arithmetic number, because the mean of its divisors is an integer number (75660213).

Almost surely, 2^252200705 is an apocalyptic number.

It is an amenable number.

252200705 is a deficient number, since it is larger than the sum of its proper divisors (50440147).

252200705 is an equidigital number, since it uses as much as digits as its factorization.

252200705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50440146.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 252200705 is about 15880.8282214751. The cubic root of 252200705 is about 631.8036037528.

Adding to 252200705 its reverse (507002252), we get a palindrome (759202957).

The spelling of 252200705 in words is "two hundred fifty-two million, two hundred thousand, seven hundred five".