85476529 has 2 divisors, whose sum is σ = 85476530. Its totient is φ = 85476528.

The previous prime is 85476509. The next prime is 85476551. The reversal of 85476529 is 92567458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44195904 + 41280625 = 6648^2 + 6425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85476529 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85476509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42738264 + 42738265.

It is an arithmetic number, because the mean of its divisors is an integer number (42738265).

Almost surely, 2^85476529 is an apocalyptic number.

It is an amenable number.

85476529 is a deficient number, since it is larger than the sum of its proper divisors (1).

85476529 is an equidigital number, since it uses as much as digits as its factorization.

85476529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 85476529 is about 9245.3517510152. The cubic root of 85476529 is about 440.5030901877.

The spelling of 85476529 in words is "eighty-five million, four hundred seventy-six thousand, five hundred twenty-nine".