253226544 has 20 divisors (see below), whose sum is σ = 654168696. Its totient is φ = 84408832.

The previous prime is 253226503. The next prime is 253226581. The reversal of 253226544 is 445622352.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637729 + ... + 2637824.

Almost surely, 2^253226544 is an apocalyptic number.

253226544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253226544 is an abundant number, since it is smaller than the sum of its proper divisors (400942152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253226544 is a wasteful number, since it uses less digits than its factorization.

253226544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275564 (or 5275558 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 253226544 is about 15913.0934767568. The cubic root of 253226544 is about 632.6590758420.

Adding to 253226544 its reverse (445622352), we get a palindrome (698848896).

The spelling of 253226544 in words is "two hundred fifty-three million, two hundred twenty-six thousand, five hundred forty-four".