82542419 has 2 divisors, whose sum is σ = 82542420. Its totient is φ = 82542418.

The previous prime is 82542407. The next prime is 82542431. The reversal of 82542419 is 91424528.

It is a balanced prime because it is at equal distance from previous prime (82542407) and next prime (82542431).

It is a cyclic number.

It is not a de Polignac number, because 82542419 - 2¹⁶ = 82476883 is a prime.

It is a super-2 number, since 2×82542419² = 13626501868743122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41271209 + 41271210.

It is an arithmetic number, because the mean of its divisors is an integer number (41271210).

Almost surely, 2^82542419 is an apocalyptic number.

82542419 is a deficient number, since it is larger than the sum of its proper divisors (1).

82542419 is an equidigital number, since it uses as much as digits as its factorization.

82542419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 82542419 is about 9085.2858513092. The cubic root of 82542419 is about 435.4039828340.

The spelling of 82542419 in words is "eighty-two million, five hundred forty-two thousand, four hundred nineteen".