605641285 has 8 divisors (see below), whose sum is σ = 728200440. Its totient is φ = 483559104.

The previous prime is 605641277. The next prime is 605641301. The reversal of 605641285 is 582146506.

It can be written as a sum of positive squares in 4 ways, for example, as 13351716 + 592289569 = 3654^2 + 24337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 605641285 - 2³ = 605641277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116442 + ... + 121531.

It is an arithmetic number, because the mean of its divisors is an integer number (91025055).

Almost surely, 2^605641285 is an apocalyptic number.

It is an amenable number.

605641285 is a deficient number, since it is larger than the sum of its proper divisors (122559155).

605641285 is a wasteful number, since it uses less digits than its factorization.

605641285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238487.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 605641285 is about 24609.7802712661. The cubic root of 605641285 is about 846.0677816989.

The spelling of 605641285 in words is "six hundred five million, six hundred forty-one thousand, two hundred eighty-five".