82633493 has 2 divisors, whose sum is σ = 82633494. Its totient is φ = 82633492.

The previous prime is 82633483. The next prime is 82633513. The reversal of 82633493 is 39433628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 2745649 = 8938^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 82633493 - 2⁸ = 82633237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82633403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316746 + 41316747.

It is an arithmetic number, because the mean of its divisors is an integer number (41316747).

Almost surely, 2^82633493 is an apocalyptic number.

It is an amenable number.

82633493 is a deficient number, since it is larger than the sum of its proper divisors (1).

82633493 is an equidigital number, since it uses as much as digits as its factorization.

82633493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 82633493 is about 9090.2966398242. The cubic root of 82633493 is about 435.5640597477.

The spelling of 82633493 in words is "eighty-two million, six hundred thirty-three thousand, four hundred ninety-three".