253613488 has 20 divisors (see below), whose sum is σ = 491647600. Its totient is φ = 126736704.

The previous prime is 253613467. The next prime is 253613489. The reversal of 253613488 is 884316352.

It is a super-2 number, since 2×253613488² = 128639602591052288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253613488.

It is not an unprimeable number, because it can be changed into a prime (253613489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37813 + ... + 44011.

It is an arithmetic number, because the mean of its divisors is an integer number (24582380).

Almost surely, 2^253613488 is an apocalyptic number.

It is an amenable number.

253613488 is a deficient number, since it is larger than the sum of its proper divisors (238034112).

253613488 is a wasteful number, since it uses less digits than its factorization.

253613488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764 (or 8758 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 253613488 is about 15925.2468740676. The cubic root of 253613488 is about 632.9811577273.

The spelling of 253613488 in words is "two hundred fifty-three million, six hundred thirteen thousand, four hundred eighty-eight".