82541633 has 2 divisors, whose sum is σ = 82541634. Its totient is φ = 82541632.

The previous prime is 82541629. The next prime is 82541671. The reversal of 82541633 is 33614528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48762289 + 33779344 = 6983^2 + 5812^2 .

It is a cyclic number.

It is not a de Polignac number, because 82541633 - 2² = 82541629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82541633.

It is not a weakly prime, because it can be changed into another prime (82531633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41270816 + 41270817.

It is an arithmetic number, because the mean of its divisors is an integer number (41270817).

Almost surely, 2^82541633 is an apocalyptic number.

It is an amenable number.

82541633 is a deficient number, since it is larger than the sum of its proper divisors (1).

82541633 is an equidigital number, since it uses as much as digits as its factorization.

82541633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 82541633 is about 9085.2425944495. The cubic root of 82541633 is about 435.4026008027.

The spelling of 82541633 in words is "eighty-two million, five hundred forty-one thousand, six hundred thirty-three".