253985149 has 8 divisors (see below), whose sum is σ = 278131392. Its totient is φ = 230015040.

The previous prime is 253985129. The next prime is 253985153. The reversal of 253985149 is 941589352.

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 253985149 - 2⁹ = 253984637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253985099 and 253985108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253985129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41004 + ... + 46789.

It is an arithmetic number, because the mean of its divisors is an integer number (34766424).

Almost surely, 2^253985149 is an apocalyptic number.

It is an amenable number.

253985149 is a deficient number, since it is larger than the sum of its proper divisors (24146243).

253985149 is a wasteful number, since it uses less digits than its factorization.

253985149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88067.

The product of its digits is 388800, while the sum is 46.

The square root of 253985149 is about 15936.9115263906. The cubic root of 253985149 is about 633.2902101448.

The spelling of 253985149 in words is "two hundred fifty-three million, nine hundred eighty-five thousand, one hundred forty-nine".