15963061 has 2 divisors, whose sum is σ = 15963062. Its totient is φ = 15963060.

The previous prime is 15963037. The next prime is 15963067. The reversal of 15963061 is 16036951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 11025 = 3994^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 15963061 - 2¹⁷ = 15831989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15963067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7981530 + 7981531.

It is an arithmetic number, because the mean of its divisors is an integer number (7981531).

Almost surely, 2^15963061 is an apocalyptic number.

It is an amenable number.

15963061 is a deficient number, since it is larger than the sum of its proper divisors (1).

15963061 is an equidigital number, since it uses as much as digits as its factorization.

15963061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 15963061 is about 3995.3799569002. The cubic root of 15963061 is about 251.7901429570.

The spelling of 15963061 in words is "fifteen million, nine hundred sixty-three thousand, sixty-one".