253565241 has 32 divisors (see below), whose sum is σ = 370406400. Its totient is φ = 153679680.

The previous prime is 253565239. The next prime is 253565243. The reversal of 253565241 is 142565352.

It is an interprime number because it is at equal distance from previous prime (253565239) and next prime (253565243).

It is not a de Polignac number, because 253565241 - 2¹ = 253565239 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253565243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348420 + ... + 349146.

It is an arithmetic number, because the mean of its divisors is an integer number (11575200).

Almost surely, 2^253565241 is an apocalyptic number.

It is an amenable number.

253565241 is a deficient number, since it is larger than the sum of its proper divisors (116841159).

253565241 is a wasteful number, since it uses less digits than its factorization.

253565241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its digits is 36000, while the sum is 33.

The square root of 253565241 is about 15923.7320060343. The cubic root of 253565241 is about 632.9410160943.

It can be divided in two parts, 2535 and 65241, that added together give a palindrome (67776).

The spelling of 253565241 in words is "two hundred fifty-three million, five hundred sixty-five thousand, two hundred forty-one".