253855670 has 8 divisors (see below), whose sum is σ = 456940224. Its totient is φ = 101542264.

The previous prime is 253855649. The next prime is 253855691. The reversal of 253855670 is 76558352.

It is an interprime number because it is at equal distance from previous prime (253855649) and next prime (253855691).

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

It is a super-2 number, since 2×253855670² = 128885402382297800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12692774 + ... + 12692793.

It is an arithmetic number, because the mean of its divisors is an integer number (57117528).

Almost surely, 2^253855670 is an apocalyptic number.

253855670 is a deficient number, since it is larger than the sum of its proper divisors (203084554).

253855670 is a wasteful number, since it uses less digits than its factorization.

253855670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25385574.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 253855670 is about 15932.8487722692. The cubic root of 253855670 is about 633.1825769213.

The spelling of 253855670 in words is "two hundred fifty-three million, eight hundred fifty-five thousand, six hundred seventy".