82549451 has 2 divisors, whose sum is σ = 82549452. Its totient is φ = 82549450.

The previous prime is 82549447. The next prime is 82549513. The reversal of 82549451 is 15494528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82549451 - 2² = 82549447 is a prime.

It is not a weakly prime, because it can be changed into another prime (82549351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41274725 + 41274726.

It is an arithmetic number, because the mean of its divisors is an integer number (41274726).

Almost surely, 2^82549451 is an apocalyptic number.

82549451 is a deficient number, since it is larger than the sum of its proper divisors (1).

82549451 is an equidigital number, since it uses as much as digits as its factorization.

82549451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 82549451 is about 9085.6728424482. The cubic root of 82549451 is about 435.4163468762.

The spelling of 82549451 in words is "eighty-two million, five hundred forty-nine thousand, four hundred fifty-one".