999950597 has 2 divisors, whose sum is σ = 999950598. Its totient is φ = 999950596.

The previous prime is 999950561. The next prime is 999950621. The reversal of 999950597 is 795059999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995150116 + 4800481 = 31546^2 + 2191^2 .

It is a cyclic number.

It is not a de Polignac number, because 999950597 - 2¹⁸ = 999688453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996950597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499975298 + 499975299.

It is an arithmetic number, because the mean of its divisors is an integer number (499975299).

Almost surely, 2^999950597 is an apocalyptic number.

It is an amenable number.

999950597 is a deficient number, since it is larger than the sum of its proper divisors (1).

999950597 is an equidigital number, since it uses as much as digits as its factorization.

999950597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10333575, while the sum is 62.

The square root of 999950597 is about 31621.9954620198. The cubic root of 999950597 is about 999.9835320621.

The spelling of 999950597 in words is "nine hundred ninety-nine million, nine hundred fifty thousand, five hundred ninety-seven".