15972653 has 2 divisors, whose sum is σ = 15972654. Its totient is φ = 15972652.

The previous prime is 15972647. The next prime is 15972659. The reversal of 15972653 is 35627951.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (15972647) and next prime (15972659).

It can be written as a sum of positive squares in only one way, i.e., 14235529 + 1737124 = 3773^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 15972653 - 2⁴ = 15972637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15972659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7986326 + 7986327.

It is an arithmetic number, because the mean of its divisors is an integer number (7986327).

Almost surely, 2^15972653 is an apocalyptic number.

It is an amenable number.

15972653 is a deficient number, since it is larger than the sum of its proper divisors (1).

15972653 is an equidigital number, since it uses as much as digits as its factorization.

15972653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 38.

The square root of 15972653 is about 3996.5801630894. The cubic root of 15972653 is about 251.8405653554.

The spelling of 15972653 in words is "fifteen million, nine hundred seventy-two thousand, six hundred fifty-three".