253504500 has 48 divisors (see below), whose sum is σ = 738209472. Its totient is φ = 67600800.

The previous prime is 253504477. The next prime is 253504513. The reversal of 253504500 is 5405352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83002 + ... + 86001.

It is an arithmetic number, because the mean of its divisors is an integer number (15379364).

Almost surely, 2^253504500 is an apocalyptic number.

253504500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253504500 is an abundant number, since it is smaller than the sum of its proper divisors (484704972).

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

253504500 is a wasteful number, since it uses less digits than its factorization.

253504500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169025 (or 169013 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 253504500 is about 15921.8246441794. The cubic root of 253504500 is about 632.8904721786.

Adding to 253504500 its reverse (5405352), we get a palindrome (258909852).

The spelling of 253504500 in words is "two hundred fifty-three million, five hundred four thousand, five hundred".