4761661 has 2 divisors, whose sum is σ = 4761662. Its totient is φ = 4761660.

The previous prime is 4761643. The next prime is 4761677. The reversal of 4761661 is 1661674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4756761 + 4900 = 2181^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 4761661 - 2⁵ = 4761629 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 (4761061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380830 + 2380831.

It is an arithmetic number, because the mean of its divisors is an integer number (2380831).

Almost surely, 2^4761661 is an apocalyptic number.

It is an amenable number.

4761661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4761661 is an equidigital number, since it uses as much as digits as its factorization.

4761661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 4761661 is about 2182.1230487761. The cubic root of 4761661 is about 168.2362158054.

The spelling of 4761661 in words is "four million, seven hundred sixty-one thousand, six hundred sixty-one".