253012724 has 6 divisors (see below), whose sum is σ = 442772274. Its totient is φ = 126506360.

The previous prime is 253012723. The next prime is 253012783. The reversal of 253012724 is 427210352.

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 7463824 = 15670^2 + 2732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253012693 and 253012702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253012723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31626587 + ... + 31626594.

It is an arithmetic number, because the mean of its divisors is an integer number (73795379).

Almost surely, 2^253012724 is an apocalyptic number.

It is an amenable number.

253012724 is a deficient number, since it is larger than the sum of its proper divisors (189759550).

253012724 is a wasteful number, since it uses less digits than its factorization.

253012724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63253185 (or 63253183 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 253012724 is about 15906.3736910711. The cubic root of 253012724 is about 632.4809570003.

The spelling of 253012724 in words is "two hundred fifty-three million, twelve thousand, seven hundred twenty-four".