71232851 has 2 divisors, whose sum is σ = 71232852. Its totient is φ = 71232850.

The previous prime is 71232803. The next prime is 71232857. The reversal of 71232851 is 15823217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71232851 - 2¹⁸ = 70970707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71232857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35616425 + 35616426.

It is an arithmetic number, because the mean of its divisors is an integer number (35616426).

Almost surely, 2^71232851 is an apocalyptic number.

71232851 is a deficient number, since it is larger than the sum of its proper divisors (1).

71232851 is an equidigital number, since it uses as much as digits as its factorization.

71232851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 71232851 is about 8439.9556278454. The cubic root of 71232851 is about 414.5339540110.

The spelling of 71232851 in words is "seventy-one million, two hundred thirty-two thousand, eight hundred fifty-one".