253870849 has 8 divisors (see below), whose sum is σ = 266285952. Its totient is φ = 241570560.

The previous prime is 253870847. The next prime is 253870891. The reversal of 253870849 is 948078352.

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 253870849 - 2¹ = 253870847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253870799 and 253870808.

It is not an unprimeable number, because it can be changed into a prime (253870847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24157 + ... + 33034.

It is an arithmetic number, because the mean of its divisors is an integer number (33285744).

Almost surely, 2^253870849 is an apocalyptic number.

It is an amenable number.

253870849 is a deficient number, since it is larger than the sum of its proper divisors (12415103).

253870849 is a wasteful number, since it uses less digits than its factorization.

253870849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57407.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 253870849 is about 15933.3251080871. The cubic root of 253870849 is about 633.1951968046.

The spelling of 253870849 in words is "two hundred fifty-three million, eight hundred seventy thousand, eight hundred forty-nine".