85490283 has 4 divisors (see below), whose sum is σ = 113987048. Its totient is φ = 56993520.

The previous prime is 85490269. The next prime is 85490299. The reversal of 85490283 is 38209458.

It is a happy number.

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

It is not a de Polignac number, because 85490283 - 2⁴ = 85490267 is a prime.

It is a Duffinian 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, 14248378 + ... + 14248383.

It is an arithmetic number, because the mean of its divisors is an integer number (28496762).

Almost surely, 2^85490283 is an apocalyptic number.

85490283 is a deficient number, since it is larger than the sum of its proper divisors (28496765).

85490283 is a wasteful number, since it uses less digits than its factorization.

85490283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28496764.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 85490283 is about 9246.0955543408. The cubic root of 85490283 is about 440.5267159894.

The spelling of 85490283 in words is "eighty-five million, four hundred ninety thousand, two hundred eighty-three".