71252313 has 16 divisors (see below), whose sum is σ = 103786176. Its totient is φ = 43122240.

The previous prime is 71252309. The next prime is 71252323. The reversal of 71252313 is 31325217.

It is not a de Polignac number, because 71252313 - 2² = 71252309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71252303) 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, 35895 + ... + 37827.

It is an arithmetic number, because the mean of its divisors is an integer number (6486636).

Almost surely, 2^71252313 is an apocalyptic number.

It is an amenable number.

71252313 is a deficient number, since it is larger than the sum of its proper divisors (32533863).

71252313 is a wasteful number, since it uses less digits than its factorization.

71252313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064.

The product of its digits is 1260, while the sum is 24.

The square root of 71252313 is about 8441.1085172506. The cubic root of 71252313 is about 414.5717030976.

The spelling of 71252313 in words is "seventy-one million, two hundred fifty-two thousand, three hundred thirteen".