971602141 has 2 divisors, whose sum is σ = 971602142. Its totient is φ = 971602140.

The previous prime is 971602117. The next prime is 971602169. The reversal of 971602141 is 141206179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927446116 + 44156025 = 30454^2 + 6645^2 .

It is an emirp because it is prime and its reverse (141206179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971602141 - 2¹³ = 971593949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971602111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485801070 + 485801071.

It is an arithmetic number, because the mean of its divisors is an integer number (485801071).

Almost surely, 2^971602141 is an apocalyptic number.

It is an amenable number.

971602141 is a deficient number, since it is larger than the sum of its proper divisors (1).

971602141 is an equidigital number, since it uses as much as digits as its factorization.

971602141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 971602141 is about 31170.5332164851. The cubic root of 971602141 is about 990.4430017512.

The spelling of 971602141 in words is "nine hundred seventy-one million, six hundred two thousand, one hundred forty-one".