82458251 has 2 divisors, whose sum is σ = 82458252. Its totient is φ = 82458250.

The previous prime is 82458241. The next prime is 82458263. The reversal of 82458251 is 15285428.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82458251 - 2²² = 78263947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82458221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41229125 + 41229126.

It is an arithmetic number, because the mean of its divisors is an integer number (41229126).

Almost surely, 2^82458251 is an apocalyptic number.

82458251 is a deficient number, since it is larger than the sum of its proper divisors (1).

82458251 is an equidigital number, since it uses as much as digits as its factorization.

82458251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 35.

The square root of 82458251 is about 9080.6525646564. The cubic root of 82458251 is about 435.2559395766.

The spelling of 82458251 in words is "eighty-two million, four hundred fifty-eight thousand, two hundred fifty-one".