252500345 has 8 divisors (see below), whose sum is σ = 310390920. Its totient is φ = 197073280.

The previous prime is 252500333. The next prime is 252500351. The reversal of 252500345 is 543005252.

It can be written as a sum of positive squares in 4 ways, for example, as 16908544 + 235591801 = 4112^2 + 15349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252500345 - 2¹⁰ = 252499321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615650 + ... + 616059.

It is an arithmetic number, because the mean of its divisors is an integer number (38798865).

Almost surely, 2^252500345 is an apocalyptic number.

It is an amenable number.

252500345 is a deficient number, since it is larger than the sum of its proper divisors (57890575).

252500345 is a wasteful number, since it uses less digits than its factorization.

252500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231755.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252500345 is about 15890.2594377814. The cubic root of 252500345 is about 632.0537202974.

Adding to 252500345 its reverse (543005252), we get a palindrome (795505597).

The spelling of 252500345 in words is "two hundred fifty-two million, five hundred thousand, three hundred forty-five".