845704537 has 2 divisors, whose sum is σ = 845704538. Its totient is φ = 845704536.

The previous prime is 845704507. The next prime is 845704633. The reversal of 845704537 is 735407548.

845704537 is digitally balanced in base 2, 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., 839608576 + 6095961 = 28976^2 + 2469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845704537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 845704493 and 845704502.

It is not a weakly prime, because it can be changed into another prime (845704507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422852268 + 422852269.

It is an arithmetic number, because the mean of its divisors is an integer number (422852269).

Almost surely, 2^845704537 is an apocalyptic number.

It is an amenable number.

845704537 is a deficient number, since it is larger than the sum of its proper divisors (1).

845704537 is an equidigital number, since it uses as much as digits as its factorization.

845704537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 845704537 is about 29080.9995873594. Note that the first 3 decimals coincide. The cubic root of 845704537 is about 945.6698728296.

The spelling of 845704537 in words is "eight hundred forty-five million, seven hundred four thousand, five hundred thirty-seven".