82519061 has 2 divisors, whose sum is σ = 82519062. Its totient is φ = 82519060.

The previous prime is 82519051. The next prime is 82519069. The reversal of 82519061 is 16091528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57668836 + 24850225 = 7594^2 + 4985^2 .

It is a cyclic number.

It is not a de Polignac number, because 82519061 - 2¹⁴ = 82502677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82519069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41259530 + 41259531.

It is an arithmetic number, because the mean of its divisors is an integer number (41259531).

Almost surely, 2^82519061 is an apocalyptic number.

It is an amenable number.

82519061 is a deficient number, since it is larger than the sum of its proper divisors (1).

82519061 is an equidigital number, since it uses as much as digits as its factorization.

82519061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 82519061 is about 9084.0002752092. Note that the first 3 decimals coincide. The cubic root of 82519061 is about 435.3629084958.

The spelling of 82519061 in words is "eighty-two million, five hundred nineteen thousand, sixty-one".