7850537 has 2 divisors, whose sum is σ = 7850538. Its totient is φ = 7850536.

The previous prime is 7850509. The next prime is 7850539. The reversal of 7850537 is 7350587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4405801 + 3444736 = 2099^2 + 1856^2 .

It is a cyclic number.

It is not a de Polignac number, because 7850537 - 2⁶ = 7850473 is a prime.

Together with 7850539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7850497 and 7850506.

It is not a weakly prime, because it can be changed into another prime (7850539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3925268 + 3925269.

It is an arithmetic number, because the mean of its divisors is an integer number (3925269).

Almost surely, 2^7850537 is an apocalyptic number.

It is an amenable number.

7850537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7850537 is an equidigital number, since it uses as much as digits as its factorization.

7850537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 7850537 is about 2801.8809753450. The cubic root of 7850537 is about 198.7466368114.

The spelling of 7850537 in words is "seven million, eight hundred fifty thousand, five hundred thirty-seven".