999962461 has 2 divisors, whose sum is σ = 999962462. Its totient is φ = 999962460.

The previous prime is 999962449. The next prime is 999962473. The reversal of 999962461 is 164269999.

It is a balanced prime because it is at equal distance from previous prime (999962449) and next prime (999962473).

It can be written as a sum of positive squares in only one way, i.e., 560221561 + 439740900 = 23669^2 + 20970^2 .

It is an emirp because it is prime and its reverse (164269999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999962461 - 2⁵ = 999962429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999912461) 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, 499981230 + 499981231.

It is an arithmetic number, because the mean of its divisors is an integer number (499981231).

Almost surely, 2^999962461 is an apocalyptic number.

It is an amenable number.

999962461 is a deficient number, since it is larger than the sum of its proper divisors (1).

999962461 is an equidigital number, since it uses as much as digits as its factorization.

999962461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 55.

The square root of 999962461 is about 31622.1830524080. The cubic root of 999962461 is about 999.9874868434.

The spelling of 999962461 in words is "nine hundred ninety-nine million, nine hundred sixty-two thousand, four hundred sixty-one".