71314251 has 4 divisors (see below), whose sum is σ = 95085672. Its totient is φ = 47542832.

The previous prime is 71314249. The next prime is 71314259. The reversal of 71314251 is 15241317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71314251 - 2¹ = 71314249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71314259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11885706 + ... + 11885711.

It is an arithmetic number, because the mean of its divisors is an integer number (23771418).

Almost surely, 2^71314251 is an apocalyptic number.

71314251 is a deficient number, since it is larger than the sum of its proper divisors (23771421).

71314251 is a wasteful number, since it uses less digits than its factorization.

71314251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23771420.

The product of its digits is 840, while the sum is 24.

The square root of 71314251 is about 8444.7765512179. The cubic root of 71314251 is about 414.6917941950.

Adding to 71314251 its reverse (15241317), we get a palindrome (86555568).

The spelling of 71314251 in words is "seventy-one million, three hundred fourteen thousand, two hundred fifty-one".