84297541 has 2 divisors, whose sum is σ = 84297542. Its totient is φ = 84297540.

The previous prime is 84297533. The next prime is 84297571. The reversal of 84297541 is 14579248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 13905441 = 8390^2 + 3729^2 .

It is a cyclic number.

It is not a de Polignac number, because 84297541 - 2³ = 84297533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84297494 and 84297503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84297571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42148770 + 42148771.

It is an arithmetic number, because the mean of its divisors is an integer number (42148771).

Almost surely, 2^84297541 is an apocalyptic number.

It is an amenable number.

84297541 is a deficient number, since it is larger than the sum of its proper divisors (1).

84297541 is an equidigital number, since it uses as much as digits as its factorization.

84297541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 84297541 is about 9181.3692333987. The cubic root of 84297541 is about 438.4684024598.

The spelling of 84297541 in words is "eighty-four million, two hundred ninety-seven thousand, five hundred forty-one".