2650961 has 2 divisors, whose sum is σ = 2650962. Its totient is φ = 2650960.

The previous prime is 2650943. The next prime is 2650969. The reversal of 2650961 is 1690562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 732736 = 1385^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650961 - 2⁶ = 2650897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2650969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325480 + 1325481.

It is an arithmetic number, because the mean of its divisors is an integer number (1325481).

2^2650961 is an apocalyptic number.

It is an amenable number.

2650961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650961 is an equidigital number, since it uses as much as digits as its factorization.

2650961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2650961 is about 1628.1772016583. The cubic root of 2650961 is about 138.3994761193.

The spelling of 2650961 in words is "two million, six hundred fifty thousand, nine hundred sixty-one".