1441405261 has 2 divisors, whose sum is σ = 1441405262. Its totient is φ = 1441405260.

The previous prime is 1441405213. The next prime is 1441405271. The reversal of 1441405261 is 1625041441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1434061161 + 7344100 = 37869^2 + 2710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441405261 - 2²⁷ = 1307187533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441405201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720702630 + 720702631.

It is an arithmetic number, because the mean of its divisors is an integer number (720702631).

Almost surely, 2^1441405261 is an apocalyptic number.

It is an amenable number.

1441405261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441405261 is an equidigital number, since it uses as much as digits as its factorization.

1441405261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1441405261 is about 37965.8433463554. The cubic root of 1441405261 is about 1129.6104489066.

The spelling of 1441405261 in words is "one billion, four hundred forty-one million, four hundred five thousand, two hundred sixty-one".