15189061 has 6 divisors (see below), whose sum is σ = 15469062. Its totient is φ = 14910120.

The previous prime is 15189059. The next prime is 15189079. The reversal of 15189061 is 16098151.

15189061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 6225025 = 2994^2 + 2495^2 .

It is not a de Polignac number, because 15189061 - 2¹ = 15189059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15189001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30190 + ... + 30688.

It is an arithmetic number, because the mean of its divisors is an integer number (2578177).

Almost surely, 2^15189061 is an apocalyptic number.

It is an amenable number.

15189061 is a deficient number, since it is larger than the sum of its proper divisors (280001).

15189061 is an frugal number, since it uses more digits than its factorization.

15189061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 15189061 is about 3897.3145882774. The cubic root of 15189061 is about 247.6530278348.

The spelling of 15189061 in words is "fifteen million, one hundred eighty-nine thousand, sixty-one".