71254313 has 16 divisors (see below), whose sum is σ = 82313280. Its totient is φ = 61124544.

The previous prime is 71254289. The next prime is 71254321. The reversal of 71254313 is 31345217.

It is not a de Polignac number, because 71254313 - 2¹⁸ = 70992169 is a prime.

It is a super-2 number, since 2×71254313² = 10154354242203938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71254373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10370 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (5144580).

Almost surely, 2^71254313 is an apocalyptic number.

It is an amenable number.

71254313 is a deficient number, since it is larger than the sum of its proper divisors (11058967).

71254313 is a wasteful number, since it uses less digits than its factorization.

71254313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528.

The product of its digits is 2520, while the sum is 26.

The square root of 71254313 is about 8441.2269842719. The cubic root of 71254313 is about 414.5755819689.

The spelling of 71254313 in words is "seventy-one million, two hundred fifty-four thousand, three hundred thirteen".