253322245 has 48 divisors (see below), whose sum is σ = 353279232. Its totient is φ = 172798080.

The previous prime is 253322197. The next prime is 253322261. The reversal of 253322245 is 542223352.

It is a happy number.

It is not a de Polignac number, because 253322245 - 2¹⁷ = 253191173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4779639 + ... + 4779691.

It is an arithmetic number, because the mean of its divisors is an integer number (7359984).

Almost surely, 2^253322245 is an apocalyptic number.

It is an amenable number.

253322245 is a deficient number, since it is larger than the sum of its proper divisors (99956987).

253322245 is a wasteful number, since it uses less digits than its factorization.

253322245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 159 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 253322245 is about 15916.1001818913. The cubic root of 253322245 is about 632.7387653295.

Adding to 253322245 its reverse (542223352), we get a palindrome (795545597).

The spelling of 253322245 in words is "two hundred fifty-three million, three hundred twenty-two thousand, two hundred forty-five".