253853401 has 8 divisors (see below), whose sum is σ = 269287200. Its totient is φ = 238475328.

The previous prime is 253853399. The next prime is 253853423. The reversal of 253853401 is 104358352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253853401 - 2¹ = 253853399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253853701) 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 7 ways as a sum of consecutive naturals, for example, 4351 + ... + 22948.

It is an arithmetic number, because the mean of its divisors is an integer number (33660900).

Almost surely, 2^253853401 is an apocalyptic number.

It is an amenable number.

253853401 is a deficient number, since it is larger than the sum of its proper divisors (15433799).

253853401 is a wasteful number, since it uses less digits than its factorization.

253853401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27863.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 253853401 is about 15932.7775670157. Note that the first 3 decimals coincide. The cubic root of 253853401 is about 633.1806904221.

The spelling of 253853401 in words is "two hundred fifty-three million, eight hundred fifty-three thousand, four hundred one".