999063497 has 4 divisors (see below), whose sum is σ = 1057831956. Its totient is φ = 940295040.

The previous prime is 999063479. The next prime is 999063503. The reversal of 999063497 is 794360999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794360999 = 16061 ⋅49459.

It can be written as a sum of positive squares in 2 ways, for example, as 475065616 + 523997881 = 21796^2 + 22891^2 .

It is a cyclic number.

It is not a de Polignac number, because 999063497 - 2⁶ = 999063433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999063437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29384204 + ... + 29384237.

It is an arithmetic number, because the mean of its divisors is an integer number (264457989).

Almost surely, 2^999063497 is an apocalyptic number.

It is an amenable number.

999063497 is a deficient number, since it is larger than the sum of its proper divisors (58768459).

999063497 is a wasteful number, since it uses less digits than its factorization.

999063497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58768458.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 999063497 is about 31607.9657206850. The cubic root of 999063497 is about 999.6877348339.

The spelling of 999063497 in words is "nine hundred ninety-nine million, sixty-three thousand, four hundred ninety-seven".