253496424 has 96 divisors (see below), whose sum is σ = 679212000. Its totient is φ = 78744960.

The previous prime is 253496417. The next prime is 253496447. The reversal of 253496424 is 424694352.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668667 + ... + 669045.

It is an arithmetic number, because the mean of its divisors is an integer number (7075125).

Almost surely, 2^253496424 is an apocalyptic number.

253496424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253496424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339606000).

253496424 is an abundant number, since it is smaller than the sum of its proper divisors (425715576).

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

253496424 is a wasteful number, since it uses less digits than its factorization.

253496424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 444 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 253496424 is about 15921.5710280110. The cubic root of 253496424 is about 632.8837513541.

The spelling of 253496424 in words is "two hundred fifty-three million, four hundred ninety-six thousand, four hundred twenty-four".