2015441 has 2 divisors, whose sum is σ = 2015442. Its totient is φ = 2015440.

The previous prime is 2015423. The next prime is 2015443. The reversal of 2015441 is 1445102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1745041 + 270400 = 1321^2 + 520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015441 is a prime.

It is a super-3 number, since 3×2015441³ = 24560178685195233363, which contains 333 as substring.

Together with 2015443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2015443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007720 + 1007721.

It is an arithmetic number, because the mean of its divisors is an integer number (1007721).

2^2015441 is an apocalyptic number.

It is an amenable number.

2015441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015441 is an equidigital number, since it uses as much as digits as its factorization.

2015441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2015441 is about 1419.6622837844. The cubic root of 2015441 is about 126.3155147990.

The spelling of 2015441 in words is "two million, fifteen thousand, four hundred forty-one".