82533401 has 2 divisors, whose sum is σ = 82533402. Its totient is φ = 82533400.

The previous prime is 82533331. The next prime is 82533403. The reversal of 82533401 is 10433528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 811801 = 9040^2 + 901^2 .

It is a cyclic number.

It is not a de Polignac number, because 82533401 - 2¹⁸ = 82271257 is a prime.

Together with 82533403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82533403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41266700 + 41266701.

It is an arithmetic number, because the mean of its divisors is an integer number (41266701).

Almost surely, 2^82533401 is an apocalyptic number.

It is an amenable number.

82533401 is a deficient number, since it is larger than the sum of its proper divisors (1).

82533401 is an equidigital number, since it uses as much as digits as its factorization.

82533401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 82533401 is about 9084.7895407654. The cubic root of 82533401 is about 435.3881258715.

Adding to 82533401 its reverse (10433528), we get a palindrome (92966929).

The spelling of 82533401 in words is "eighty-two million, five hundred thirty-three thousand, four hundred one".