253300024100 has 36 divisors (see below), whose sum is σ = 549966641028. Its totient is φ = 101263680000.

The previous prime is 253300024091. The next prime is 253300024127. The reversal of 253300024100 is 1420003352.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 22869303076 + 230430721024 = 151226^2 + 480032^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523121 + ... + 883320.

Almost surely, 2^253300024100 is an apocalyptic number.

253300024100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253300024100 is an abundant number, since it is smaller than the sum of its proper divisors (296666616928).

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

253300024100 is a wasteful number, since it uses less digits than its factorization.

253300024100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408256 (or 1408249 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 253300024100 its reverse (1420003352), we get a palindrome (254720027452).

The spelling of 253300024100 in words is "two hundred fifty-three billion, three hundred million, twenty-four thousand, one hundred".