70197563 has 2 divisors, whose sum is σ = 70197564. Its totient is φ = 70197562.

The previous prime is 70197557. The next prime is 70197613. The reversal of 70197563 is 36579107.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70197563 is a prime.

It is a super-2 number, since 2×70197563² = 9855395702277938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70197503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35098781 + 35098782.

It is an arithmetic number, because the mean of its divisors is an integer number (35098782).

Almost surely, 2^70197563 is an apocalyptic number.

70197563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70197563 is an equidigital number, since it uses as much as digits as its factorization.

70197563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 70197563 is about 8378.3985940035. The cubic root of 70197563 is about 412.5158865017.

The spelling of 70197563 in words is "seventy million, one hundred ninety-seven thousand, five hundred sixty-three".