4465661 has 2 divisors, whose sum is σ = 4465662. Its totient is φ = 4465660.

The previous prime is 4465639. The next prime is 4465667. The reversal of 4465661 is 1665644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4280761 + 184900 = 2069^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 4465661 - 2¹⁸ = 4203517 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 (4465667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2232830 + 2232831.

It is an arithmetic number, because the mean of its divisors is an integer number (2232831).

Almost surely, 2^4465661 is an apocalyptic number.

It is an amenable number.

4465661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4465661 is an equidigital number, since it uses as much as digits as its factorization.

4465661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 4465661 is about 2113.2110637606. The cubic root of 4465661 is about 164.6753457119.

The spelling of 4465661 in words is "four million, four hundred sixty-five thousand, six hundred sixty-one".