253321000 has 32 divisors (see below), whose sum is σ = 592773480. Its totient is φ = 101328000.

The previous prime is 253320953. The next prime is 253321039. The reversal of 253321000 is 123352.

It can be written as a sum of positive squares in 4 ways, for example, as 73170916 + 180150084 = 8554^2 + 13422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125661 + ... + 127660.

Almost surely, 2^253321000 is an apocalyptic number.

253321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253321000 is an abundant number, since it is smaller than the sum of its proper divisors (339452480).

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

253321000 is a wasteful number, since it uses less digits than its factorization.

253321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253342 (or 253328 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 253321000 is about 15916.0610705036. The cubic root of 253321000 is about 632.7377287564.

Adding to 253321000 its reverse (123352), we get a palindrome (253444352).

The spelling of 253321000 in words is "two hundred fifty-three million, three hundred twenty-one thousand".