970531147 has 2 divisors, whose sum is σ = 970531148. Its totient is φ = 970531146.

The previous prime is 970531129. The next prime is 970531151. The reversal of 970531147 is 741135079.

970531147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970531147 is a prime.

It is not a weakly prime, because it can be changed into another prime (970561147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485265573 + 485265574.

It is an arithmetic number, because the mean of its divisors is an integer number (485265574).

Almost surely, 2^970531147 is an apocalyptic number.

970531147 is a deficient number, since it is larger than the sum of its proper divisors (1).

970531147 is an equidigital number, since it uses as much as digits as its factorization.

970531147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 970531147 is about 31153.3488890039. The cubic root of 970531147 is about 990.0789472124.

The spelling of 970531147 in words is "nine hundred seventy million, five hundred thirty-one thousand, one hundred forty-seven".