905653085 has 4 divisors (see below), whose sum is σ = 1086783708. Its totient is φ = 724522464.

The previous prime is 905653051. The next prime is 905653103. The reversal of 905653085 is 580356509.

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

It can be written as a sum of positive squares in 2 ways, for example, as 146264836 + 759388249 = 12094^2 + 27557^2 .

It is a cyclic number.

It is not a de Polignac number, because 905653085 - 2¹⁰ = 905652061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90565304 + ... + 90565313.

It is an arithmetic number, because the mean of its divisors is an integer number (271695927).

Almost surely, 2^905653085 is an apocalyptic number.

It is an amenable number.

905653085 is a deficient number, since it is larger than the sum of its proper divisors (181130623).

905653085 is a wasteful number, since it uses less digits than its factorization.

905653085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181130622.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 905653085 is about 30094.0705953847. The cubic root of 905653085 is about 967.5066459670.

The spelling of 905653085 in words is "nine hundred five million, six hundred fifty-three thousand, eighty-five".