253035400 has 24 divisors (see below), whose sum is σ = 588307770. Its totient is φ = 101214080.

The previous prime is 253035389. The next prime is 253035403. The reversal of 253035400 is 4530352.

It can be written as a sum of positive squares in 3 ways, for example, as 126202756 + 126832644 = 11234^2 + 11262^2 .

It is not an unprimeable number, because it can be changed into a prime (253035403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632389 + ... + 632788.

Almost surely, 2^253035400 is an apocalyptic number.

253035400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253035400 is an abundant number, since it is smaller than the sum of its proper divisors (335272370).

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

253035400 is a wasteful number, since it uses less digits than its factorization.

253035400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265193 (or 1265184 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 253035400 is about 15907.0864711298. The cubic root of 253035400 is about 632.4998515833.

Adding to 253035400 its reverse (4530352), we get a palindrome (257565752).

It can be divided in two parts, 25303 and 5400, that added together give a palindrome (30703).

The spelling of 253035400 in words is "two hundred fifty-three million, thirty-five thousand, four hundred".