253128300 has 72 divisors (see below), whose sum is σ = 775481616. Its totient is φ = 63528960.

The previous prime is 253128263. The next prime is 253128311. The reversal of 253128300 is 3821352.

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, 19717 + ... + 29916.

It is an arithmetic number, because the mean of its divisors is an integer number (10770578).

Almost surely, 2^253128300 is an apocalyptic number.

253128300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253128300 is an abundant number, since it is smaller than the sum of its proper divisors (522353316).

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

253128300 is a wasteful number, since it uses less digits than its factorization.

253128300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49667 (or 49660 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 253128300 is about 15910.0062853539. The cubic root of 253128300 is about 632.5772479301.

Adding to 253128300 its reverse (3821352), we get a palindrome (256949652).

The spelling of 253128300 in words is "two hundred fifty-three million, one hundred twenty-eight thousand, three hundred".