82237553 has 2 divisors, whose sum is σ = 82237554. Its totient is φ = 82237552.

The previous prime is 82237537. The next prime is 82237559. The reversal of 82237553 is 35573228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71791729 + 10445824 = 8473^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 82237553 - 2⁴ = 82237537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82237559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41118776 + 41118777.

It is an arithmetic number, because the mean of its divisors is an integer number (41118777).

Almost surely, 2^82237553 is an apocalyptic number.

It is an amenable number.

82237553 is a deficient number, since it is larger than the sum of its proper divisors (1).

82237553 is an equidigital number, since it uses as much as digits as its factorization.

82237553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 82237553 is about 9068.4923223213. The cubic root of 82237553 is about 434.8672744323.

The spelling of 82237553 in words is "eighty-two million, two hundred thirty-seven thousand, five hundred fifty-three".