2985257 has 8 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 2686000.

The previous prime is 2985253. The next prime is 2985259. The reversal of 2985257 is 7525892.

2985257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2985257 - 2² = 2985253 is a prime.

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 2985257.

It is not an unprimeable number, because it can be changed into a prime (2985253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (411264).

2^2985257 is an apocalyptic number.

It is an amenable number.

2985257 is a deficient number, since it is larger than the sum of its proper divisors (304855).

2985257 is a wasteful number, since it uses less digits than its factorization.

2985257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799.

The product of its digits is 50400, while the sum is 38.

The square root of 2985257 is about 1727.7896283981. The cubic root of 2985257 is about 143.9883124516.

It can be divided in two parts, 298 and 5257, that added together give a palindrome (5555).

The spelling of 2985257 in words is "two million, nine hundred eighty-five thousand, two hundred fifty-seven".