82765451 has 2 divisors, whose sum is σ = 82765452. Its totient is φ = 82765450.

The previous prime is 82765447. The next prime is 82765453. The reversal of 82765451 is 15456728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82765451 - 2² = 82765447 is a prime.

Together with 82765453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82765453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41382725 + 41382726.

It is an arithmetic number, because the mean of its divisors is an integer number (41382726).

Almost surely, 2^82765451 is an apocalyptic number.

82765451 is a deficient number, since it is larger than the sum of its proper divisors (1).

82765451 is an equidigital number, since it uses as much as digits as its factorization.

82765451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 38.

The square root of 82765451 is about 9097.5519234572. The cubic root of 82765451 is about 435.7957882012.

The spelling of 82765451 in words is "eighty-two million, seven hundred sixty-five thousand, four hundred fifty-one".