15196081 has 2 divisors, whose sum is σ = 15196082. Its totient is φ = 15196080.

The previous prime is 15196043. The next prime is 15196091. The reversal of 15196081 is 18069151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 6250000 = 2991^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 15196081 - 2¹¹ = 15194033 is a prime.

It is a super-2 number, since 2×15196081² = 461841755517122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15196091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7598040 + 7598041.

It is an arithmetic number, because the mean of its divisors is an integer number (7598041).

Almost surely, 2^15196081 is an apocalyptic number.

It is an amenable number.

15196081 is a deficient number, since it is larger than the sum of its proper divisors (1).

15196081 is an equidigital number, since it uses as much as digits as its factorization.

15196081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 15196081 is about 3898.2151043779. The cubic root of 15196081 is about 247.6911749480.

The spelling of 15196081 in words is "fifteen million, one hundred ninety-six thousand, eighty-one".