1003841261 has 2 divisors, whose sum is σ = 1003841262. Its totient is φ = 1003841260.

The previous prime is 1003841257. The next prime is 1003841273. The reversal of 1003841261 is 1621483001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675688036 + 328153225 = 25994^2 + 18115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003841261 - 2² = 1003841257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003841261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003841221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501920630 + 501920631.

It is an arithmetic number, because the mean of its divisors is an integer number (501920631).

Almost surely, 2^1003841261 is an apocalyptic number.

It is an amenable number.

1003841261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003841261 is an equidigital number, since it uses as much as digits as its factorization.

1003841261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1003841261 is about 31683.4540572836. The cubic root of 1003841261 is about 1001.2787843469.

The spelling of 1003841261 in words is "one billion, three million, eight hundred forty-one thousand, two hundred sixty-one".