253507828 has 12 divisors (see below), whose sum is σ = 507015712. Its totient is φ = 108646200.

The previous prime is 253507811. The next prime is 253507829. The reversal of 253507828 is 828705352.

253507828 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253507829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4526898 + ... + 4526953.

Almost surely, 2^253507828 is an apocalyptic number.

253507828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253507828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253507828 is a wasteful number, since it uses less digits than its factorization.

253507828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053862 (or 9053860 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 253507828 is about 15921.9291544712. The cubic root of 253507828 is about 632.8932416893.

The spelling of 253507828 in words is "two hundred fifty-three million, five hundred seven thousand, eight hundred twenty-eight".