253124430 has 64 divisors (see below), whose sum is σ = 682698240. Its totient is φ = 59596416.

The previous prime is 253124429. The next prime is 253124461. The reversal of 253124430 is 34421352.

It is a self number, because there is not a number n which added to its sum of digits gives 253124430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5140 + ... + 23079.

It is an arithmetic number, because the mean of its divisors is an integer number (10667160).

Almost surely, 2^253124430 is an apocalyptic number.

253124430 is an abundant number, since it is smaller than the sum of its proper divisors (429573810).

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

253124430 is a wasteful number, since it uses less digits than its factorization.

253124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253124430 is about 15909.8846633154. The cubic root of 253124430 is about 632.5740241546.

Adding to 253124430 its reverse (34421352), we get a palindrome (287545782).

The spelling of 253124430 in words is "two hundred fifty-three million, one hundred twenty-four thousand, four hundred thirty".