253287424 has 88 divisors (see below), whose sum is σ = 557111520. Its totient is φ = 114376704.

The previous prime is 253287407. The next prime is 253287449. The reversal of 253287424 is 424782352.

253287424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705357 + ... + 705715.

Almost surely, 2^253287424 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 253287424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278555760).

253287424 is an abundant number, since it is smaller than the sum of its proper divisors (303824096).

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

253287424 is a wasteful number, since it uses less digits than its factorization.

253287424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 427 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 253287424 is about 15915.0062519623. The cubic root of 253287424 is about 632.7097724735.

The spelling of 253287424 in words is "two hundred fifty-three million, two hundred eighty-seven thousand, four hundred twenty-four".