85404250 has 16 divisors (see below), whose sum is σ = 159877224. Its totient is φ = 34161600.

The previous prime is 85404247. The next prime is 85404257. The reversal of 85404250 is 5240458.

It can be written as a sum of positive squares in 4 ways, for example, as 33837489 + 51566761 = 5817^2 + 7181^2 .

It is not an unprimeable number, because it can be changed into a prime (85404257) 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 in 7 ways as a sum of consecutive naturals, for example, 170559 + ... + 171058.

Almost surely, 2^85404250 is an apocalyptic number.

85404250 is a deficient number, since it is larger than the sum of its proper divisors (74472974).

85404250 is a wasteful number, since it uses less digits than its factorization.

85404250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341634 (or 341624 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 85404250 is about 9241.4419870494. The cubic root of 85404250 is about 440.3788919552.

The spelling of 85404250 in words is "eighty-five million, four hundred four thousand, two hundred fifty".