82563419 has 2 divisors, whose sum is σ = 82563420. Its totient is φ = 82563418.

The previous prime is 82563409. The next prime is 82563457. The reversal of 82563419 is 91436528.

It is a happy number.

It is an a-pointer prime, because the next prime (82563457) can be obtained adding 82563419 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82563419 - 2⁸ = 82563163 is a prime.

It is a super-2 number, since 2×82563419² = 13633436313939122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82563409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41281709 + 41281710.

It is an arithmetic number, because the mean of its divisors is an integer number (41281710).

Almost surely, 2^82563419 is an apocalyptic number.

82563419 is a deficient number, since it is larger than the sum of its proper divisors (1).

82563419 is an equidigital number, since it uses as much as digits as its factorization.

82563419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 82563419 is about 9086.4414926857. The cubic root of 82563419 is about 435.4409040859.

The spelling of 82563419 in words is "eighty-two million, five hundred sixty-three thousand, four hundred nineteen".