84971461 has 2 divisors, whose sum is σ = 84971462. Its totient is φ = 84971460.

The previous prime is 84971459. The next prime is 84971473. The reversal of 84971461 is 16417948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 27363361 = 7590^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 84971461 - 2¹ = 84971459 is a prime.

Together with 84971459, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84975461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42485730 + 42485731.

It is an arithmetic number, because the mean of its divisors is an integer number (42485731).

Almost surely, 2^84971461 is an apocalyptic number.

It is an amenable number.

84971461 is a deficient number, since it is larger than the sum of its proper divisors (1).

84971461 is an equidigital number, since it uses as much as digits as its factorization.

84971461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 84971461 is about 9217.9965827722. The cubic root of 84971461 is about 439.6337534244.

The spelling of 84971461 in words is "eighty-four million, nine hundred seventy-one thousand, four hundred sixty-one".