5947661 has 2 divisors, whose sum is σ = 5947662. Its totient is φ = 5947660.

The previous prime is 5947651. The next prime is 5947663. The reversal of 5947661 is 1667495.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5851561 + 96100 = 2419^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 5947661 - 2⁶ = 5947597 is a prime.

Together with 5947663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5947663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2973830 + 2973831.

It is an arithmetic number, because the mean of its divisors is an integer number (2973831).

Almost surely, 2^5947661 is an apocalyptic number.

It is an amenable number.

5947661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5947661 is an equidigital number, since it uses as much as digits as its factorization.

5947661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 5947661 is about 2438.7826881459. The cubic root of 5947661 is about 181.1821472534.

The spelling of 5947661 in words is "five million, nine hundred forty-seven thousand, six hundred sixty-one".