82519051 has 2 divisors, whose sum is σ = 82519052. Its totient is φ = 82519050.

The previous prime is 82519049. The next prime is 82519061. The reversal of 82519051 is 15091528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82519051 - 2¹ = 82519049 is a prime.

Together with 82519049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82519001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41259525 + 41259526.

It is an arithmetic number, because the mean of its divisors is an integer number (41259526).

Almost surely, 2^82519051 is an apocalyptic number.

82519051 is a deficient number, since it is larger than the sum of its proper divisors (1).

82519051 is an equidigital number, since it uses as much as digits as its factorization.

82519051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 82519051 is about 9083.9997247908. Note that the first 3 decimals coincide. The cubic root of 82519051 is about 435.3628909094.

The spelling of 82519051 in words is "eighty-two million, five hundred nineteen thousand, fifty-one".