15485669 has 2 divisors, whose sum is σ = 15485670. Its totient is φ = 15485668.

The previous prime is 15485653. The next prime is 15485677. The reversal of 15485669 is 96658451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15484225 + 1444 = 3935^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 15485669 - 2⁴ = 15485653 is a prime.

It is a super-2 number, since 2×15485669² = 479611888755122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15485609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7742834 + 7742835.

It is an arithmetic number, because the mean of its divisors is an integer number (7742835).

Almost surely, 2^15485669 is an apocalyptic number.

It is an amenable number.

15485669 is a deficient number, since it is larger than the sum of its proper divisors (1).

15485669 is an equidigital number, since it uses as much as digits as its factorization.

15485669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 15485669 is about 3935.1834772981. The cubic root of 15485669 is about 249.2546815431.

The spelling of 15485669 in words is "fifteen million, four hundred eighty-five thousand, six hundred sixty-nine".