84632549 has 2 divisors, whose sum is σ = 84632550. Its totient is φ = 84632548.

The previous prime is 84632533. The next prime is 84632551. The reversal of 84632549 is 94523648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 268324 = 9185^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 84632549 - 2⁴ = 84632533 is a prime.

It is a Sophie Germain prime.

Together with 84632551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84631549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42316274 + 42316275.

It is an arithmetic number, because the mean of its divisors is an integer number (42316275).

Almost surely, 2^84632549 is an apocalyptic number.

It is an amenable number.

84632549 is a deficient number, since it is larger than the sum of its proper divisors (1).

84632549 is an equidigital number, since it uses as much as digits as its factorization.

84632549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 84632549 is about 9199.5950454354. The cubic root of 84632549 is about 439.0484757846.

The spelling of 84632549 in words is "eighty-four million, six hundred thirty-two thousand, five hundred forty-nine".