253430000 has 50 divisors (see below), whose sum is σ = 613603584. Its totient is φ = 101368000.

The previous prime is 253429997. The next prime is 253430041. The reversal of 253430000 is 34352.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2672 + ... + 22671.

Almost surely, 2^253430000 is an apocalyptic number.

253430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253430000 is an abundant number, since it is smaller than the sum of its proper divisors (360173584).

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

253430000 is an equidigital number, since it uses as much as digits as its factorization.

253430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25371 (or 25350 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 253430000 is about 15919.4849162905. The cubic root of 253430000 is about 632.8284680724.

Adding to 253430000 its reverse (34352), we get a palindrome (253464352).

The spelling of 253430000 in words is "two hundred fifty-three million, four hundred thirty thousand".