6154985 has 4 divisors (see below), whose sum is σ = 7385988. Its totient is φ = 4923984.

The previous prime is 6154933. The next prime is 6154991. The reversal of 6154985 is 5894516.

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 906304 + 5248681 = 952^2 + 2291^2 .

It is a cyclic number.

It is not a de Polignac number, because 6154985 - 2¹⁸ = 5892841 is a prime.

It is a Duffinian 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, 615494 + ... + 615503.

It is an arithmetic number, because the mean of its divisors is an integer number (1846497).

Almost surely, 2^6154985 is an apocalyptic number.

It is an amenable number.

6154985 is a deficient number, since it is larger than the sum of its proper divisors (1231003).

6154985 is a wasteful number, since it uses less digits than its factorization.

6154985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231002.

The product of its digits is 43200, while the sum is 38.

The square root of 6154985 is about 2480.9242229460. The cubic root of 6154985 is about 183.2633690794.

The spelling of 6154985 in words is "six million, one hundred fifty-four thousand, nine hundred eighty-five".