253945524 has 96 divisors (see below), whose sum is σ = 722082816. Its totient is φ = 67806720.

The previous prime is 253945519. The next prime is 253945543. The reversal of 253945524 is 425549352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232219 + ... + 233309.

It is an arithmetic number, because the mean of its divisors is an integer number (7521696).

Almost surely, 2^253945524 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 253945524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361041408).

253945524 is an abundant number, since it is smaller than the sum of its proper divisors (468137292).

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

253945524 is a wasteful number, since it uses less digits than its factorization.

253945524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1283 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 253945524 is about 15935.6682947406. The cubic root of 253945524 is about 633.2572745843.

The spelling of 253945524 in words is "two hundred fifty-three million, nine hundred forty-five thousand, five hundred twenty-four".