999960601 has 2 divisors, whose sum is σ = 999960602. Its totient is φ = 999960600.

The previous prime is 999960589. The next prime is 999960613. The reversal of 999960601 is 106069999.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (999960589) and next prime (999960613).

It can be written as a sum of positive squares in only one way, i.e., 969699600 + 30261001 = 31140^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 999960601 - 2¹⁷ = 999829529 is a prime.

It is not a weakly prime, because it can be changed into another prime (999960901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499980300 + 499980301.

It is an arithmetic number, because the mean of its divisors is an integer number (499980301).

Almost surely, 2^999960601 is an apocalyptic number.

It is an amenable number.

999960601 is a deficient number, since it is larger than the sum of its proper divisors (1).

999960601 is an equidigital number, since it uses as much as digits as its factorization.

999960601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 999960601 is about 31622.1536426601. The cubic root of 999960601 is about 999.9868668275.

The spelling of 999960601 in words is "nine hundred ninety-nine million, nine hundred sixty thousand, six hundred one".