85490303 has 4 divisors (see below), whose sum is σ = 85560000. Its totient is φ = 85420608.

The previous prime is 85490299. The next prime is 85490359. The reversal of 85490303 is 30309458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85490303 - 2² = 85490299 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85490303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85490203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32975 + ... + 35472.

It is an arithmetic number, because the mean of its divisors is an integer number (21390000).

Almost surely, 2^85490303 is an apocalyptic number.

85490303 is a deficient number, since it is larger than the sum of its proper divisors (69697).

85490303 is a wasteful number, since it uses less digits than its factorization.

85490303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69696.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 85490303 is about 9246.0966358783. The cubic root of 85490303 is about 440.5267503423.

The spelling of 85490303 in words is "eighty-five million, four hundred ninety thousand, three hundred three".