71360249 has 2 divisors, whose sum is σ = 71360250. Its totient is φ = 71360248.

The previous prime is 71360243. The next prime is 71360287. The reversal of 71360249 is 94206317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66716224 + 4644025 = 8168^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 71360249 - 2⁸ = 71359993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71360243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35680124 + 35680125.

It is an arithmetic number, because the mean of its divisors is an integer number (35680125).

Almost surely, 2^71360249 is an apocalyptic number.

It is an amenable number.

71360249 is a deficient number, since it is larger than the sum of its proper divisors (1).

71360249 is an equidigital number, since it uses as much as digits as its factorization.

71360249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 71360249 is about 8447.4995708789. The cubic root of 71360249 is about 414.7809343655.

The spelling of 71360249 in words is "seventy-one million, three hundred sixty thousand, two hundred forty-nine".