84587413 has 2 divisors, whose sum is σ = 84587414. Its totient is φ = 84587412.

The previous prime is 84587401. The next prime is 84587423. The reversal of 84587413 is 31478548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52969284 + 31618129 = 7278^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 84587413 - 2¹³ = 84579221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84587423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42293706 + 42293707.

It is an arithmetic number, because the mean of its divisors is an integer number (42293707).

Almost surely, 2^84587413 is an apocalyptic number.

It is an amenable number.

84587413 is a deficient number, since it is larger than the sum of its proper divisors (1).

84587413 is an equidigital number, since it uses as much as digits as its factorization.

84587413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 84587413 is about 9197.1415668130. The cubic root of 84587413 is about 438.9704111937.

The spelling of 84587413 in words is "eighty-four million, five hundred eighty-seven thousand, four hundred thirteen".