253144364 has 36 divisors (see below), whose sum is σ = 500588088. Its totient is φ = 111081600.

The previous prime is 253144351. The next prime is 253144369. The reversal of 253144364 is 463441352.

253144364 = 72² + 73² + ... + 912².

253144364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253144364.

It is not an unprimeable number, because it can be changed into a prime (253144369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33584 + ... + 40424.

Almost surely, 2^253144364 is an apocalyptic number.

It is an amenable number.

253144364 is a deficient number, since it is larger than the sum of its proper divisors (247443724).

253144364 is a wasteful number, since it uses less digits than its factorization.

253144364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914 (or 6883 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 253144364 is about 15910.5111168686. The cubic root of 253144364 is about 632.5906291627.

The spelling of 253144364 in words is "two hundred fifty-three million, one hundred forty-four thousand, three hundred sixty-four".