15482661 has 4 divisors (see below), whose sum is σ = 20643552. Its totient is φ = 10321772.

The previous prime is 15482639. The next prime is 15482669. The reversal of 15482661 is 16628451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15482661 - 2⁹ = 15482149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15482669) 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, 2580441 + ... + 2580446.

It is an arithmetic number, because the mean of its divisors is an integer number (5160888).

Almost surely, 2^15482661 is an apocalyptic number.

It is an amenable number.

15482661 is a deficient number, since it is larger than the sum of its proper divisors (5160891).

15482661 is an equidigital number, since it uses as much as digits as its factorization.

15482661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160890.

The product of its digits is 11520, while the sum is 33.

The square root of 15482661 is about 3934.8012656296. The cubic root of 15482661 is about 249.2385417467.

The spelling of 15482661 in words is "fifteen million, four hundred eighty-two thousand, six hundred sixty-one".