3970503217 has 2 divisors, whose sum is σ = 3970503218. Its totient is φ = 3970503216.

The previous prime is 3970503203. The next prime is 3970503259. The reversal of 3970503217 is 7123050793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2834071696 + 1136431521 = 53236^2 + 33711^2 .

It is an emirp because it is prime and its reverse (7123050793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3970503217 - 2²³ = 3962114609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3970501217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985251608 + 1985251609.

It is an arithmetic number, because the mean of its divisors is an integer number (1985251609).

Almost surely, 2^3970503217 is an apocalyptic number.

It is an amenable number.

3970503217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3970503217 is an equidigital number, since it uses as much as digits as its factorization.

3970503217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 3970503217 is about 63011.9291642464. The cubic root of 3970503217 is about 1583.4894859056.

The spelling of 3970503217 in words is "three billion, nine hundred seventy million, five hundred three thousand, two hundred seventeen".