970245217 has 2 divisors, whose sum is σ = 970245218. Its totient is φ = 970245216.

The previous prime is 970245193. The next prime is 970245229. The reversal of 970245217 is 712542079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707772816 + 262472401 = 26604^2 + 16201^2 .

It is a cyclic number.

It is not a de Polignac number, because 970245217 - 2¹⁵ = 970212449 is a prime.

It is a super-2 number, since 2×970245217² = 1882751562222754178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (970245277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485122608 + 485122609.

It is an arithmetic number, because the mean of its divisors is an integer number (485122609).

Almost surely, 2^970245217 is an apocalyptic number.

It is an amenable number.

970245217 is a deficient number, since it is larger than the sum of its proper divisors (1).

970245217 is an equidigital number, since it uses as much as digits as its factorization.

970245217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 970245217 is about 31148.7594777063. The cubic root of 970245217 is about 989.9817079911.

The spelling of 970245217 in words is "nine hundred seventy million, two hundred forty-five thousand, two hundred seventeen".