86934251 has 2 divisors, whose sum is σ = 86934252. Its totient is φ = 86934250.

The previous prime is 86934233. The next prime is 86934271. The reversal of 86934251 is 15243968.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86934251 - 2⁶ = 86934187 is a prime.

It is not a weakly prime, because it can be changed into another prime (86934271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43467125 + 43467126.

It is an arithmetic number, because the mean of its divisors is an integer number (43467126).

Almost surely, 2^86934251 is an apocalyptic number.

86934251 is a deficient number, since it is larger than the sum of its proper divisors (1).

86934251 is an equidigital number, since it uses as much as digits as its factorization.

86934251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 86934251 is about 9323.8538705838. The cubic root of 86934251 is about 442.9931106858.

The spelling of 86934251 in words is "eighty-six million, nine hundred thirty-four thousand, two hundred fifty-one".