253685322 has 48 divisors (see below), whose sum is σ = 634900032. Its totient is φ = 72351360.

The previous prime is 253685303. The next prime is 253685323. The reversal of 253685322 is 223586352.

253685322 is a `hidden beast` number, since 253 + 6 + 85 + 322 = 666.

253685322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253685323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34318 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (13227084).

Almost surely, 2^253685322 is an apocalyptic number.

253685322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253685322 is an abundant number, since it is smaller than the sum of its proper divisors (381214710).

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

253685322 is a wasteful number, since it uses less digits than its factorization.

253685322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75403 (or 75400 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 253685322 is about 15927.5020640400. The cubic root of 253685322 is about 633.0409143758.

The spelling of 253685322 in words is "two hundred fifty-three million, six hundred eighty-five thousand, three hundred twenty-two".