7852447541 has 2 divisors, whose sum is σ = 7852447542. Its totient is φ = 7852447540.

The previous prime is 7852447523. The next prime is 7852447553. The reversal of 7852447541 is 1457442587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6279928516 + 1572519025 = 79246^2 + 39655^2 .

It is a cyclic number.

It is not a de Polignac number, because 7852447541 - 2¹⁴ = 7852431157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7852447241) 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, 3926223770 + 3926223771.

It is an arithmetic number, because the mean of its divisors is an integer number (3926223771).

Almost surely, 2^7852447541 is an apocalyptic number.

It is an amenable number.

7852447541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7852447541 is an equidigital number, since it uses as much as digits as its factorization.

7852447541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1254400, while the sum is 47.

The square root of 7852447541 is about 88614.0369298228. The cubic root of 7852447541 is about 1987.6275812040.

The spelling of 7852447541 in words is "seven billion, eight hundred fifty-two million, four hundred forty-seven thousand, five hundred forty-one".