1913587241 has 2 divisors, whose sum is σ = 1913587242. Its totient is φ = 1913587240.

The previous prime is 1913587229. The next prime is 1913587253. The reversal of 1913587241 is 1427853191.

It is a balanced prime because it is at equal distance from previous prime (1913587229) and next prime (1913587253).

It can be written as a sum of positive squares in only one way, i.e., 1267360000 + 646227241 = 35600^2 + 25421^2 .

It is an emirp because it is prime and its reverse (1427853191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1913587241 - 2⁶ = 1913587177 is a prime.

It is a super-2 number, since 2×1913587241² = 7323632257835984162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1913587271) 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, 956793620 + 956793621.

It is an arithmetic number, because the mean of its divisors is an integer number (956793621).

Almost surely, 2^1913587241 is an apocalyptic number.

It is an amenable number.

1913587241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1913587241 is an equidigital number, since it uses as much as digits as its factorization.

1913587241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 1913587241 is about 43744.5681313692. The cubic root of 1913587241 is about 1241.5077135943.

The spelling of 1913587241 in words is "one billion, nine hundred thirteen million, five hundred eighty-seven thousand, two hundred forty-one".