15691483 has 2 divisors, whose sum is σ = 15691484. Its totient is φ = 15691482.

The previous prime is 15691477. The next prime is 15691499. The reversal of 15691483 is 38419651.

It is a weak prime.

It is an emirp because it is prime and its reverse (38419651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15691483 - 2⁹ = 15690971 is a prime.

It is not a weakly prime, because it can be changed into another prime (15691453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7845741 + 7845742.

It is an arithmetic number, because the mean of its divisors is an integer number (7845742).

Almost surely, 2^15691483 is an apocalyptic number.

15691483 is a deficient number, since it is larger than the sum of its proper divisors (1).

15691483 is an equidigital number, since it uses as much as digits as its factorization.

15691483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 15691483 is about 3961.2476569889. The cubic root of 15691483 is about 250.3540742888.

The spelling of 15691483 in words is "fifteen million, six hundred ninety-one thousand, four hundred eighty-three".