82445653 has 2 divisors, whose sum is σ = 82445654. Its totient is φ = 82445652.

The previous prime is 82445633. The next prime is 82445659. The reversal of 82445653 is 35654428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41254929 + 41190724 = 6423^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 82445653 - 2⁹ = 82445141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82445659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41222826 + 41222827.

It is an arithmetic number, because the mean of its divisors is an integer number (41222827).

Almost surely, 2^82445653 is an apocalyptic number.

It is an amenable number.

82445653 is a deficient number, since it is larger than the sum of its proper divisors (1).

82445653 is an equidigital number, since it uses as much as digits as its factorization.

82445653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 37.

The square root of 82445653 is about 9079.9588655456. The cubic root of 82445653 is about 435.2337722635.

The spelling of 82445653 in words is "eighty-two million, four hundred forty-five thousand, six hundred fifty-three".