3525717649 has 2 divisors, whose sum is σ = 3525717650. Its totient is φ = 3525717648.

The previous prime is 3525717647. The next prime is 3525717667. The reversal of 3525717649 is 9467175253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2146932225 + 1378785424 = 46335^2 + 37132^2 .

It is a cyclic number.

It is not a de Polignac number, because 3525717649 - 2¹ = 3525717647 is a prime.

Together with 3525717647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3525717641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762858824 + 1762858825.

It is an arithmetic number, because the mean of its divisors is an integer number (1762858825).

Almost surely, 2^3525717649 is an apocalyptic number.

It is an amenable number.

3525717649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3525717649 is an equidigital number, since it uses as much as digits as its factorization.

3525717649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The square root of 3525717649 is about 59377.7538224544. The cubic root of 3525717649 is about 1522.0041731234.

The spelling of 3525717649 in words is "three billion, five hundred twenty-five million, seven hundred seventeen thousand, six hundred forty-nine".