253463256 has 80 divisors (see below), whose sum is σ = 712206000. Its totient is φ = 84217536.

The previous prime is 253463239. The next prime is 253463257. The reversal of 253463256 is 652364352.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 253463256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253463257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 387826 + ... + 388478.

It is an arithmetic number, because the mean of its divisors is an integer number (8902575).

Almost surely, 2^253463256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253463256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356103000).

253463256 is an abundant number, since it is smaller than the sum of its proper divisors (458742744).

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

253463256 is a wasteful number, since it uses less digits than its factorization.

253463256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1257 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 253463256 is about 15920.5293881830. The cubic root of 253463256 is about 632.8561475408.

The spelling of 253463256 in words is "two hundred fifty-three million, four hundred sixty-three thousand, two hundred fifty-six".