82011437 has 2 divisors, whose sum is σ = 82011438. Its totient is φ = 82011436.

The previous prime is 82011427. The next prime is 82011469. The reversal of 82011437 is 73411028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78251716 + 3759721 = 8846^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 82011437 - 2¹⁶ = 81945901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82011427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41005718 + 41005719.

It is an arithmetic number, because the mean of its divisors is an integer number (41005719).

Almost surely, 2^82011437 is an apocalyptic number.

It is an amenable number.

82011437 is a deficient number, since it is larger than the sum of its proper divisors (1).

82011437 is an equidigital number, since it uses as much as digits as its factorization.

82011437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 82011437 is about 9056.0166188010. The cubic root of 82011437 is about 434.4683459447.

The spelling of 82011437 in words is "eighty-two million, eleven thousand, four hundred thirty-seven".