15361361 has 4 divisors (see below), whose sum is σ = 15651252. Its totient is φ = 15071472.

The previous prime is 15361331. The next prime is 15361369. The reversal of 15361361 is 16316351.

15361361 is nontrivially palindromic in base 12.

15361361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16316351 = 2207 ⋅7393.

It can be written as a sum of positive squares in 2 ways, for example, as 6599761 + 8761600 = 2569^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 15361361 - 2¹⁰ = 15360337 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 15361361.

It is not an unprimeable number, because it can be changed into a prime (15361369) 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, 144866 + ... + 144971.

It is an arithmetic number, because the mean of its divisors is an integer number (3912813).

Almost surely, 2^15361361 is an apocalyptic number.

It is an amenable number.

15361361 is a deficient number, since it is larger than the sum of its proper divisors (289891).

15361361 is an equidigital number, since it uses as much as digits as its factorization.

15361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289890.

The product of its digits is 1620, while the sum is 26.

The square root of 15361361 is about 3919.3572177080. The cubic root of 15361361 is about 248.5859421752.

The spelling of 15361361 in words is "fifteen million, three hundred sixty-one thousand, three hundred sixty-one".