252298485 has 24 divisors (see below), whose sum is σ = 441338040. Its totient is φ = 133322112.

The previous prime is 252298471. The next prime is 252298489. The reversal of 252298485 is 584892252.

It can be written as a sum of positive squares in 4 ways, for example, as 112656996 + 139641489 = 10614^2 + 11817^2 .

It is not a de Polignac number, because 252298485 - 2²³ = 243909877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252298485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252298489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20814 + ... + 30623.

It is an arithmetic number, because the mean of its divisors is an integer number (18389085).

Almost surely, 2^252298485 is an apocalyptic number.

It is an amenable number.

252298485 is a deficient number, since it is larger than the sum of its proper divisors (189039555).

252298485 is a wasteful number, since it uses less digits than its factorization.

252298485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51557 (or 51554 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 252298485 is about 15883.9064779418. The cubic root of 252298485 is about 631.8852447804.

The spelling of 252298485 in words is "two hundred fifty-two million, two hundred ninety-eight thousand, four hundred eighty-five".