3521306797 has 2 divisors, whose sum is σ = 3521306798. Its totient is φ = 3521306796.

The previous prime is 3521306749. The next prime is 3521306819. The reversal of 3521306797 is 7976031253.

It is a happy number.

3521306797 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2947512681 + 573794116 = 54291^2 + 23954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3521306797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3521306497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760653398 + 1760653399.

It is an arithmetic number, because the mean of its divisors is an integer number (1760653399).

Almost surely, 2^3521306797 is an apocalyptic number.

It is an amenable number.

3521306797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521306797 is an equidigital number, since it uses as much as digits as its factorization.

3521306797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 3521306797 is about 59340.5999042814. The cubic root of 3521306797 is about 1521.3692067287.

The spelling of 3521306797 in words is "three billion, five hundred twenty-one million, three hundred six thousand, seven hundred ninety-seven".