253871093 has 8 divisors (see below), whose sum is σ = 291165888. Its totient is φ = 216833184.

The previous prime is 253871069. The next prime is 253871119. The reversal of 253871093 is 390178352.

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 253871093 - 2¹⁰ = 253870069 is a prime.

It is a super-2 number, since 2×253871093² = 128901063722029298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253871053) 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, 62096 + ... + 66057.

It is an arithmetic number, because the mean of its divisors is an integer number (36395736).

Almost surely, 2^253871093 is an apocalyptic number.

It is an amenable number.

253871093 is a deficient number, since it is larger than the sum of its proper divisors (37294795).

253871093 is a wasteful number, since it uses less digits than its factorization.

253871093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128443.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 253871093 is about 15933.3327649930. The cubic root of 253871093 is about 633.1953996631.

The spelling of 253871093 in words is "two hundred fifty-three million, eight hundred seventy-one thousand, ninety-three".