3624782561 has 2 divisors, whose sum is σ = 3624782562. Its totient is φ = 3624782560.

The previous prime is 3624782533. The next prime is 3624782569. The reversal of 3624782561 is 1652874263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2919348961 + 705433600 = 54031^2 + 26560^2 .

It is an emirp because it is prime and its reverse (1652874263) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3624782561 is a prime.

It is a super-2 number, since 2×3624782561² = 26278097229059437442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3624782569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812391280 + 1812391281.

It is an arithmetic number, because the mean of its divisors is an integer number (1812391281).

Almost surely, 2^3624782561 is an apocalyptic number.

It is an amenable number.

3624782561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3624782561 is an equidigital number, since it uses as much as digits as its factorization.

3624782561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 3624782561 is about 60206.1671342729. The cubic root of 3624782561 is about 1536.1276976771.

The spelling of 3624782561 in words is "three billion, six hundred twenty-four million, seven hundred eighty-two thousand, five hundred sixty-one".