82823401 has 2 divisors, whose sum is σ = 82823402. Its totient is φ = 82823400.

The previous prime is 82823393. The next prime is 82823407. The reversal of 82823401 is 10432828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51194025 + 31629376 = 7155^2 + 5624^2 .

It is a cyclic number.

It is not a de Polignac number, because 82823401 - 2³ = 82823393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82823401.

It is not a weakly prime, because it can be changed into another prime (82823407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41411700 + 41411701.

It is an arithmetic number, because the mean of its divisors is an integer number (41411701).

Almost surely, 2^82823401 is an apocalyptic number.

It is an amenable number.

82823401 is a deficient number, since it is larger than the sum of its proper divisors (1).

82823401 is an equidigital number, since it uses as much as digits as its factorization.

82823401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 82823401 is about 9100.7362888944. The cubic root of 82823401 is about 435.8974750516.

The spelling of 82823401 in words is "eighty-two million, eight hundred twenty-three thousand, four hundred one".