999260497 has 2 divisors, whose sum is σ = 999260498. Its totient is φ = 999260496.

The previous prime is 999260441. The next prime is 999260503. The reversal of 999260497 is 794062999.

999260497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520569856 + 478690641 = 22816^2 + 21879^2 .

It is an emirp because it is prime and its reverse (794062999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999260497 - 2¹⁵ = 999227729 is a prime.

It is not a weakly prime, because it can be changed into another prime (999210497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499630248 + 499630249.

It is an arithmetic number, because the mean of its divisors is an integer number (499630249).

Almost surely, 2^999260497 is an apocalyptic number.

It is an amenable number.

999260497 is a deficient number, since it is larger than the sum of its proper divisors (1).

999260497 is an equidigital number, since it uses as much as digits as its factorization.

999260497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 999260497 is about 31611.0818701290. The cubic root of 999260497 is about 999.7534382123.

The spelling of 999260497 in words is "nine hundred ninety-nine million, two hundred sixty thousand, four hundred ninety-seven".