8140537 has 2 divisors, whose sum is σ = 8140538. Its totient is φ = 8140536.

The previous prime is 8140529. The next prime is 8140553. The reversal of 8140537 is 7350418.

8140537 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 210681 = 2816^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140537 - 2³ = 8140529 is a prime.

8140537 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8140577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070268 + 4070269.

It is an arithmetic number, because the mean of its divisors is an integer number (4070269).

Almost surely, 2^8140537 is an apocalyptic number.

It is an amenable number.

8140537 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140537 is an equidigital number, since it uses as much as digits as its factorization.

8140537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 8140537 is about 2853.1626311867. The cubic root of 8140537 is about 201.1643499582.

The spelling of 8140537 in words is "eight million, one hundred forty thousand, five hundred thirty-seven".