253500424 has 16 divisors (see below), whose sum is σ = 475495020. Its totient is φ = 126701760.

The previous prime is 253500421. The next prime is 253500433. The reversal of 253500424 is 424005352.

It can be written as a sum of positive squares in 2 ways, for example, as 251856900 + 1643524 = 15870^2 + 1282^2 .

It is not an unprimeable number, because it can be changed into a prime (253500421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26422 + ... + 34714.

Almost surely, 2^253500424 is an apocalyptic number.

It is an amenable number.

253500424 is a deficient number, since it is larger than the sum of its proper divisors (221994596).

253500424 is a wasteful number, since it uses less digits than its factorization.

253500424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120 (or 12116 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 253500424 is about 15921.6966432601. The cubic root of 253500424 is about 632.8870801607.

Adding to 253500424 its reverse (424005352), we get a palindrome (677505776).

The spelling of 253500424 in words is "two hundred fifty-three million, five hundred thousand, four hundred twenty-four".