1475661 has 16 divisors (see below), whose sum is σ = 2173248. Its totient is φ = 883200.

The previous prime is 1475647. The next prime is 1475687. The reversal of 1475661 is 1665741.

It is not a de Polignac number, because 1475661 - 2¹⁰ = 1474637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1475261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (135828).

2^1475661 is an apocalyptic number.

1475661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1475661 is a deficient number, since it is larger than the sum of its proper divisors (697587).

1475661 is a wasteful number, since it uses less digits than its factorization.

1475661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 5040, while the sum is 30.

The square root of 1475661 is about 1214.7678790617. The cubic root of 1475661 is about 113.8489072516.

The spelling of 1475661 in words is "one million, four hundred seventy-five thousand, six hundred sixty-one".