253021300 has 54 divisors (see below), whose sum is σ = 638710422. Its totient is φ = 86748480.

The previous prime is 253021297. The next prime is 253021313. The reversal of 253021300 is 3120352.

253021300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6280036 + 246741264 = 2506^2 + 15708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20919 + ... + 30718.

Almost surely, 2^253021300 is an apocalyptic number.

253021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253021300 is an abundant number, since it is smaller than the sum of its proper divisors (385689122).

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

253021300 is a wasteful number, since it uses less digits than its factorization.

253021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51665 (or 51651 counting only the distinct ones).

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

The square root of 253021300 is about 15906.6432662583. The cubic root of 253021300 is about 632.4881030117.

Adding to 253021300 its reverse (3120352), we get a palindrome (256141652).

The spelling of 253021300 in words is "two hundred fifty-three million, twenty-one thousand, three hundred".