13351573 has 2 divisors, whose sum is σ = 13351574. Its totient is φ = 13351572.

The previous prime is 13351549. The next prime is 13351589. The reversal of 13351573 is 37515331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7091569 + 6260004 = 2663^2 + 2502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13351573 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13351673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6675786 + 6675787.

It is an arithmetic number, because the mean of its divisors is an integer number (6675787).

Almost surely, 2^13351573 is an apocalyptic number.

It is an amenable number.

13351573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13351573 is an equidigital number, since it uses as much as digits as its factorization.

13351573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 28.

The square root of 13351573 is about 3653.9804323505. The cubic root of 13351573 is about 237.2342986119.

It can be divided in two parts, 13351 and 573, that added together give a square (13924 = 118²).

The spelling of 13351573 in words is "thirteen million, three hundred fifty-one thousand, five hundred seventy-three".