2661485 has 8 divisors (see below), whose sum is σ = 3268320. Its totient is φ = 2079504.

The previous prime is 2661481. The next prime is 2661487. The reversal of 2661485 is 5841662.

2661485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2661485 - 2² = 2661481 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 (2661481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975 + ... + 6404.

It is an arithmetic number, because the mean of its divisors is an integer number (408540).

2^2661485 is an apocalyptic number.

It is an amenable number.

2661485 is a deficient number, since it is larger than the sum of its proper divisors (606835).

2661485 is a wasteful number, since it uses less digits than its factorization.

2661485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12427.

The product of its digits is 11520, while the sum is 32.

The square root of 2661485 is about 1631.4058354683. The cubic root of 2661485 is about 138.5823774555.

The spelling of 2661485 in words is "two million, six hundred sixty-one thousand, four hundred eighty-five".