999079541 has 2 divisors, whose sum is σ = 999079542. Its totient is φ = 999079540.

The previous prime is 999079531. The next prime is 999079559. The reversal of 999079541 is 145970999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612760516 + 386319025 = 24754^2 + 19655^2 .

It is a cyclic number.

It is not a de Polignac number, because 999079541 - 2¹⁰ = 999078517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999079531) 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 as a sum of consecutive naturals, namely, 499539770 + 499539771.

It is an arithmetic number, because the mean of its divisors is an integer number (499539771).

Almost surely, 2^999079541 is an apocalyptic number.

It is an amenable number.

999079541 is a deficient number, since it is larger than the sum of its proper divisors (1).

999079541 is an equidigital number, since it uses as much as digits as its factorization.

999079541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 53.

The square root of 999079541 is about 31608.2195164486. The cubic root of 999079541 is about 999.6930861469.

The spelling of 999079541 in words is "nine hundred ninety-nine million, seventy-nine thousand, five hundred forty-one".