15485653 has 2 divisors, whose sum is σ = 15485654. Its totient is φ = 15485652.

The previous prime is 15485651. The next prime is 15485669. The reversal of 15485653 is 35658451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14607684 + 877969 = 3822^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 15485653 - 2¹ = 15485651 is a prime.

Together with 15485651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15485651) 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, 7742826 + 7742827.

It is an arithmetic number, because the mean of its divisors is an integer number (7742827).

Almost surely, 2^15485653 is an apocalyptic number.

It is an amenable number.

15485653 is a deficient number, since it is larger than the sum of its proper divisors (1).

15485653 is an equidigital number, since it uses as much as digits as its factorization.

15485653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The square root of 15485653 is about 3935.1814443555. The cubic root of 15485653 is about 249.2545956986.

The spelling of 15485653 in words is "fifteen million, four hundred eighty-five thousand, six hundred fifty-three".