253791371 has 8 divisors (see below), whose sum is σ = 258048000. Its totient is φ = 249561000.

The previous prime is 253791367. The next prime is 253791427. The reversal of 253791371 is 173197352.

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

It is not a de Polignac number, because 253791371 - 2² = 253791367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253791331) 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, 13430 + ... + 26228.

It is an arithmetic number, because the mean of its divisors is an integer number (32256000).

Almost surely, 2^253791371 is an apocalyptic number.

253791371 is a deficient number, since it is larger than the sum of its proper divisors (4256629).

253791371 is a wasteful number, since it uses less digits than its factorization.

253791371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129.

The product of its digits is 39690, while the sum is 38.

The square root of 253791371 is about 15930.8308320690. The cubic root of 253791371 is about 633.1291128874.

The spelling of 253791371 in words is "two hundred fifty-three million, seven hundred ninety-one thousand, three hundred seventy-one".