13531451 has 2 divisors, whose sum is σ = 13531452. Its totient is φ = 13531450.

The previous prime is 13531433. The next prime is 13531459. The reversal of 13531451 is 15413531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531451 - 2¹⁴ = 13515067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13531459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765725 + 6765726.

It is an arithmetic number, because the mean of its divisors is an integer number (6765726).

Almost surely, 2^13531451 is an apocalyptic number.

13531451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531451 is an equidigital number, since it uses as much as digits as its factorization.

13531451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 13531451 is about 3678.5120633213. The cubic root of 13531451 is about 238.2949230921.

Adding to 13531451 its reverse (15413531), we get a palindrome (28944982).

The spelling of 13531451 in words is "thirteen million, five hundred thirty-one thousand, four hundred fifty-one".