253691652 has 48 divisors (see below), whose sum is σ = 619315200. Its totient is φ = 80720640.

The previous prime is 253691651. The next prime is 253691677. The reversal of 253691652 is 256196352.

253691652 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 253691652.

It is not an unprimeable number, because it can be changed into a prime (253691651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26877 + ... + 35067.

It is an arithmetic number, because the mean of its divisors is an integer number (12902400).

Almost surely, 2^253691652 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 253691652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309657600).

253691652 is an abundant number, since it is smaller than the sum of its proper divisors (365623548).

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

253691652 is a wasteful number, since it uses less digits than its factorization.

253691652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8314 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 253691652 is about 15927.7007756926. The cubic root of 253691652 is about 633.0461795808.

The spelling of 253691652 in words is "two hundred fifty-three million, six hundred ninety-one thousand, six hundred fifty-two".