1461611 has 4 divisors (see below), whose sum is σ = 1501152. Its totient is φ = 1422072.

The previous prime is 1461601. The next prime is 1461623. The reversal of 1461611 is 1161641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1461611 - 2¹⁸ = 1199467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19715 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (375288).

2^1461611 is an apocalyptic number.

1461611 is a deficient number, since it is larger than the sum of its proper divisors (39541).

1461611 is an equidigital number, since it uses as much as digits as its factorization.

1461611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39540.

The product of its digits is 144, while the sum is 20.

The square root of 1461611 is about 1208.9710501083. The cubic root of 1461611 is about 113.4864299663.

The spelling of 1461611 in words is "one million, four hundred sixty-one thousand, six hundred eleven".