82603973 has 2 divisors, whose sum is σ = 82603974. Its totient is φ = 82603972.

The previous prime is 82603951. The next prime is 82603981. The reversal of 82603973 is 37930628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 11404129 = 8438^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 82603973 - 2⁶ = 82603909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82606973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41301986 + 41301987.

It is an arithmetic number, because the mean of its divisors is an integer number (41301987).

Almost surely, 2^82603973 is an apocalyptic number.

It is an amenable number.

82603973 is a deficient number, since it is larger than the sum of its proper divisors (1).

82603973 is an equidigital number, since it uses as much as digits as its factorization.

82603973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 82603973 is about 9088.6727853961. The cubic root of 82603973 is about 435.5121865827.

The spelling of 82603973 in words is "eighty-two million, six hundred three thousand, nine hundred seventy-three".