13561433 has 2 divisors, whose sum is σ = 13561434. Its totient is φ = 13561432.

The previous prime is 13561417. The next prime is 13561439. The reversal of 13561433 is 33416531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 1817104 = 3427^2 + 1348^2 .

It is a cyclic number.

It is not a de Polignac number, because 13561433 - 2⁴ = 13561417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13561439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780716 + 6780717.

It is an arithmetic number, because the mean of its divisors is an integer number (6780717).

Almost surely, 2^13561433 is an apocalyptic number.

It is an amenable number.

13561433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13561433 is an equidigital number, since it uses as much as digits as its factorization.

13561433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 13561433 is about 3682.5850974553. The cubic root of 13561433 is about 238.4707920873.

Adding to 13561433 its reverse (33416531), we get a palindrome (46977964).

The spelling of 13561433 in words is "thirteen million, five hundred sixty-one thousand, four hundred thirty-three".