6651941 has 2 divisors, whose sum is σ = 6651942. Its totient is φ = 6651940.

The previous prime is 6651923. The next prime is 6651959. The reversal of 6651941 is 1491566.

It is a balanced prime because it is at equal distance from previous prime (6651923) and next prime (6651959).

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 21316 = 2575^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 6651941 - 2¹⁸ = 6389797 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6651898 and 6651907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6654941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325970 + 3325971.

It is an arithmetic number, because the mean of its divisors is an integer number (3325971).

Almost surely, 2^6651941 is an apocalyptic number.

It is an amenable number.

6651941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651941 is an equidigital number, since it uses as much as digits as its factorization.

6651941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 6651941 is about 2579.1357079456. The cubic root of 6651941 is about 188.0685297924.

The spelling of 6651941 in words is "six million, six hundred fifty-one thousand, nine hundred forty-one".