253745700 has 72 divisors (see below), whose sum is σ = 790657728. Its totient is φ = 62459520.

The previous prime is 253745677. The next prime is 253745707. The reversal of 253745700 is 7547352.

It is not an unprimeable number, because it can be changed into a prime (253745707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28632 + ... + 36431.

Almost surely, 2^253745700 is an apocalyptic number.

253745700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253745700 is an abundant number, since it is smaller than the sum of its proper divisors (536912028).

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

253745700 is a wasteful number, since it uses less digits than its factorization.

253745700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65093 (or 65086 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 253745700 is about 15929.3973520658. The cubic root of 253745700 is about 633.0911323810.

The spelling of 253745700 in words is "two hundred fifty-three million, seven hundred forty-five thousand, seven hundred".