85530413 has 2 divisors, whose sum is σ = 85530414. Its totient is φ = 85530412.

The previous prime is 85530409. The next prime is 85530437. The reversal of 85530413 is 31403558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83210884 + 2319529 = 9122^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 85530413 - 2² = 85530409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85530443) 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, 42765206 + 42765207.

It is an arithmetic number, because the mean of its divisors is an integer number (42765207).

Almost surely, 2^85530413 is an apocalyptic number.

It is an amenable number.

85530413 is a deficient number, since it is larger than the sum of its proper divisors (1).

85530413 is an equidigital number, since it uses as much as digits as its factorization.

85530413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 85530413 is about 9248.2654049286. The cubic root of 85530413 is about 440.5956344328.

The spelling of 85530413 in words is "eighty-five million, five hundred thirty thousand, four hundred thirteen".