40606961 has 2 divisors, whose sum is σ = 40606962. Its totient is φ = 40606960.

The previous prime is 40606939. The next prime is 40607023. The reversal of 40606961 is 16960604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 1168561 = 6280^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 40606961 - 2¹⁰ = 40605937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40606901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20303480 + 20303481.

It is an arithmetic number, because the mean of its divisors is an integer number (20303481).

Almost surely, 2^40606961 is an apocalyptic number.

It is an amenable number.

40606961 is a deficient number, since it is larger than the sum of its proper divisors (1).

40606961 is an equidigital number, since it uses as much as digits as its factorization.

40606961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40606961 is about 6372.3591392827. The cubic root of 40606961 is about 343.7163274565.

The spelling of 40606961 in words is "forty million, six hundred six thousand, nine hundred sixty-one".