2471061961 has 2 divisors, whose sum is σ = 2471061962. Its totient is φ = 2471061960.

The previous prime is 2471061947. The next prime is 2471062019. The reversal of 2471061961 is 1691601742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2156673600 + 314388361 = 46440^2 + 17731^2 .

It is a cyclic number.

It is not a de Polignac number, because 2471061961 - 2¹⁵ = 2471029193 is a prime.

It is a super-2 number, since 2×2471061961² = 12212294430202331042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2471061961.

It is not a weakly prime, because it can be changed into another prime (2471061661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235530980 + 1235530981.

It is an arithmetic number, because the mean of its divisors is an integer number (1235530981).

Almost surely, 2^2471061961 is an apocalyptic number.

It is an amenable number.

2471061961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471061961 is an equidigital number, since it uses as much as digits as its factorization.

2471061961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2471061961 is about 49709.7773179482. Note that the first 3 decimals coincide. The cubic root of 2471061961 is about 1351.9518106679.

The spelling of 2471061961 in words is "two billion, four hundred seventy-one million, sixty-one thousand, nine hundred sixty-one".