999461261 has 2 divisors, whose sum is σ = 999461262. Its totient is φ = 999461260.

The previous prime is 999461257. The next prime is 999461269. The reversal of 999461261 is 162164999.

999461261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898860361 + 100600900 = 29981^2 + 10030^2 .

It is a cyclic number.

It is not a de Polignac number, because 999461261 - 2² = 999461257 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999461269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499730630 + 499730631.

It is an arithmetic number, because the mean of its divisors is an integer number (499730631).

Almost surely, 2^999461261 is an apocalyptic number.

It is an amenable number.

999461261 is a deficient number, since it is larger than the sum of its proper divisors (1).

999461261 is an equidigital number, since it uses as much as digits as its factorization.

999461261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 47.

The square root of 999461261 is about 31614.2572425797. The cubic root of 999461261 is about 999.8203880748.

The spelling of 999461261 in words is "nine hundred ninety-nine million, four hundred sixty-one thousand, two hundred sixty-one".