253163245 has 8 divisors (see below), whose sum is σ = 309528216. Its totient is φ = 198709056.

The previous prime is 253163227. The next prime is 253163249. The reversal of 253163245 is 542361352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3175524 + 249987721 = 1782^2 + 15811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 253163245 - 2¹¹ = 253161197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253163249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477402 + ... + 477931.

It is an arithmetic number, because the mean of its divisors is an integer number (38691027).

Almost surely, 2^253163245 is an apocalyptic number.

It is an amenable number.

253163245 is a deficient number, since it is larger than the sum of its proper divisors (56364971).

253163245 is an equidigital number, since it uses as much as digits as its factorization.

253163245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955391.

The product of its digits is 21600, while the sum is 31.

The square root of 253163245 is about 15911.1044556938. The cubic root of 253163245 is about 632.6063562186.

It can be divided in two parts, 25316 and 3245, that added together give a 4-th power (28561 = 13⁴).

The spelling of 253163245 in words is "two hundred fifty-three million, one hundred sixty-three thousand, two hundred forty-five".