1652541217 has 2 divisors, whose sum is σ = 1652541218. Its totient is φ = 1652541216.

The previous prime is 1652541199. The next prime is 1652541227. The reversal of 1652541217 is 7121452561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633453056 + 19088161 = 40416^2 + 4369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1652541217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1652541227) 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, 826270608 + 826270609.

It is an arithmetic number, because the mean of its divisors is an integer number (826270609).

Almost surely, 2^1652541217 is an apocalyptic number.

It is an amenable number.

1652541217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652541217 is an equidigital number, since it uses as much as digits as its factorization.

1652541217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 1652541217 is about 40651.4602074759. The cubic root of 1652541217 is about 1182.2720795194.

Adding to 1652541217 its reverse (7121452561), we get a palindrome (8773993778).

The spelling of 1652541217 in words is "one billion, six hundred fifty-two million, five hundred forty-one thousand, two hundred seventeen".