2495857 has 8 divisors (see below), whose sum is σ = 3071936. Its totient is φ = 1974672.

The previous prime is 2495851. The next prime is 2495861. The reversal of 2495857 is 7585942.

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

It is a de Polignac number, because none of the positive numbers 2^k-2495857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2495851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13623 + ... + 13804.

It is an arithmetic number, because the mean of its divisors is an integer number (383992).

2^2495857 is an apocalyptic number.

It is an amenable number.

2495857 is a deficient number, since it is larger than the sum of its proper divisors (576079).

2495857 is a wasteful number, since it uses less digits than its factorization.

2495857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27447.

The product of its digits is 100800, while the sum is 40.

The square root of 2495857 is about 1579.8281552118. The cubic root of 2495857 is about 135.6458671624.

The spelling of 2495857 in words is "two million, four hundred ninety-five thousand, eight hundred fifty-seven".