994693537 has 2 divisors, whose sum is σ = 994693538. Its totient is φ = 994693536.

The previous prime is 994693523. The next prime is 994693577. The reversal of 994693537 is 735396499.

994693537 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., 978500961 + 16192576 = 31281^2 + 4024^2 .

It is an emirp because it is prime and its reverse (735396499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994693537 is a prime.

It is not a weakly prime, because it can be changed into another prime (994693517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497346768 + 497346769.

It is an arithmetic number, because the mean of its divisors is an integer number (497346769).

Almost surely, 2^994693537 is an apocalyptic number.

It is an amenable number.

994693537 is a deficient number, since it is larger than the sum of its proper divisors (1).

994693537 is an equidigital number, since it uses as much as digits as its factorization.

994693537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5511240, while the sum is 55.

The square root of 994693537 is about 31538.7624519416. The cubic root of 994693537 is about 998.2280410159.

The spelling of 994693537 in words is "nine hundred ninety-four million, six hundred ninety-three thousand, five hundred thirty-seven".