4267661 has 2 divisors, whose sum is σ = 4267662. Its totient is φ = 4267660.

The previous prime is 4267657. The next prime is 4267667. The reversal of 4267661 is 1667624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2910436 + 1357225 = 1706^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 4267661 - 2² = 4267657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4267667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133830 + 2133831.

It is an arithmetic number, because the mean of its divisors is an integer number (2133831).

Almost surely, 2^4267661 is an apocalyptic number.

It is an amenable number.

4267661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4267661 is an equidigital number, since it uses as much as digits as its factorization.

4267661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 4267661 is about 2065.8317937335. The cubic root of 4267661 is about 162.2046516870.

The spelling of 4267661 in words is "four million, two hundred sixty-seven thousand, six hundred sixty-one".