253871672 has 16 divisors (see below), whose sum is σ = 487620000. Its totient is φ = 123839680.

The previous prime is 253871671. The next prime is 253871701. The reversal of 253871672 is 276178352.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253871671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386672 + ... + 387327.

It is an arithmetic number, because the mean of its divisors is an integer number (30476250).

Almost surely, 2^253871672 is an apocalyptic number.

It is an amenable number.

253871672 is a deficient number, since it is larger than the sum of its proper divisors (233748328).

253871672 is a wasteful number, since it uses less digits than its factorization.

253871672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774046 (or 774042 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 253871672 is about 15933.3509344394. The cubic root of 253871672 is about 633.1958810358.

The spelling of 253871672 in words is "two hundred fifty-three million, eight hundred seventy-one thousand, six hundred seventy-two".