15451 has 2 divisors, whose sum is σ = 15452. Its totient is φ = 15450.

The previous prime is 15443. The next prime is 15461.

It is a happy number.

15451 is nontrivially palindromic in base 10.

15451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 15451 - 2³ = 15443 is a prime.

It is not a weakly prime, because it can be changed into another prime (15401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7725 + 7726.

It is an arithmetic number, because the mean of its divisors is an integer number (7726).

2¹⁵⁴⁵¹ is an apocalyptic number.

15451 is a deficient number, since it is larger than the sum of its proper divisors (1).

15451 is an equidigital number, since it uses as much as digits as its factorization.

15451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100, while the sum is 16.

The square root of 15451 is about 124.3020514714. The cubic root of 15451 is about 24.9068533793.

Adding to 15451 its product of digits (100), we get a palindrome (15551).

Subtracting from 15451 its product of digits (100), we obtain a palindrome (15351).

The spelling of 15451 in words is "fifteen thousand, four hundred fifty-one".