1040002961 has 2 divisors, whose sum is σ = 1040002962. Its totient is φ = 1040002960.

The previous prime is 1040002913. The next prime is 1040002979. The reversal of 1040002961 is 1692000401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688065361 + 351937600 = 26231^2 + 18760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040002961 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1040002261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520001480 + 520001481.

It is an arithmetic number, because the mean of its divisors is an integer number (520001481).

Almost surely, 2^1040002961 is an apocalyptic number.

It is an amenable number.

1040002961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040002961 is an equidigital number, since it uses as much as digits as its factorization.

1040002961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1040002961 is about 32249.0769015177. The cubic root of 1040002961 is about 1013.1603653465.

The spelling of 1040002961 in words is "one billion, forty million, two thousand, nine hundred sixty-one".