82751237 has 2 divisors, whose sum is σ = 82751238. Its totient is φ = 82751236.

The previous prime is 82751167. The next prime is 82751269. The reversal of 82751237 is 73215728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 12208036 = 8399^2 + 3494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82751237 is a prime.

It is equal to p_4820579 and since 82751237 and 4820579 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 82751197 and 82751206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81751237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41375618 + 41375619.

It is an arithmetic number, because the mean of its divisors is an integer number (41375619).

Almost surely, 2^82751237 is an apocalyptic number.

It is an amenable number.

82751237 is a deficient number, since it is larger than the sum of its proper divisors (1).

82751237 is an equidigital number, since it uses as much as digits as its factorization.

82751237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 82751237 is about 9096.7706907452. The cubic root of 82751237 is about 435.7708391599.

The spelling of 82751237 in words is "eighty-two million, seven hundred fifty-one thousand, two hundred thirty-seven".