253866953 has 8 divisors (see below), whose sum is σ = 264622272. Its totient is φ = 243316656.

The previous prime is 253866919. The next prime is 253866973. The reversal of 253866953 is 359668352.

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 253866953 - 2⁶ = 253866889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253866898 and 253866907.

It is not an unprimeable number, because it can be changed into a prime (253866973) 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, 48725 + ... + 53682.

It is an arithmetic number, because the mean of its divisors is an integer number (33077784).

Almost surely, 2^253866953 is an apocalyptic number.

It is an amenable number.

253866953 is a deficient number, since it is larger than the sum of its proper divisors (10755319).

253866953 is a wasteful number, since it uses less digits than its factorization.

253866953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102511.

The product of its digits is 1166400, while the sum is 47.

The square root of 253866953 is about 15933.2028481407. The cubic root of 253866953 is about 633.1919577021.

The spelling of 253866953 in words is "two hundred fifty-three million, eight hundred sixty-six thousand, nine hundred fifty-three".