1941561 has 12 divisors (see below), whose sum is σ = 2895360. Its totient is φ = 1252440.

The previous prime is 1941559. The next prime is 1941571. The reversal of 1941561 is 1651491.

It is not a de Polignac number, because 1941561 - 2¹ = 1941559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1941571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3201 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (241280).

2^1941561 is an apocalyptic number.

It is an amenable number.

1941561 is a deficient number, since it is larger than the sum of its proper divisors (953799).

1941561 is a wasteful number, since it uses less digits than its factorization.

1941561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1941561 is about 1393.3990813834. The cubic root of 1941561 is about 124.7528128436.

The spelling of 1941561 in words is "one million, nine hundred forty-one thousand, five hundred sixty-one".