252298505 has 8 divisors (see below), whose sum is σ = 305756424. Its totient is φ = 199840000.

The previous prime is 252298499. The next prime is 252298507. The reversal of 252298505 is 505892252.

It can be written as a sum of positive squares in 4 ways, for example, as 80478841 + 171819664 = 8971^2 + 13108^2 .

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

It is not a de Polignac number, because 252298505 - 2⁴ = 252298489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252298507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249296 + ... + 250305.

It is an arithmetic number, because the mean of its divisors is an integer number (38219553).

Almost surely, 2^252298505 is an apocalyptic number.

It is an amenable number.

252298505 is a deficient number, since it is larger than the sum of its proper divisors (53457919).

252298505 is a wasteful number, since it uses less digits than its factorization.

252298505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499707.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 252298505 is about 15883.9071075098. The cubic root of 252298505 is about 631.8852614772.

The spelling of 252298505 in words is "two hundred fifty-two million, two hundred ninety-eight thousand, five hundred five".