2425857 has 16 divisors (see below), whose sum is σ = 3750912. Its totient is φ = 1365840.

The previous prime is 2425837. The next prime is 2425889. The reversal of 2425857 is 7585242.

It is not a de Polignac number, because 2425857 - 2⁶ = 2425793 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 4⁸ + 2²¹ + 5² + 8⁶ + 5⁴ + 7³ .

2425857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2425837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (234432).

2^2425857 is an apocalyptic number.

It is an amenable number.

2425857 is a deficient number, since it is larger than the sum of its proper divisors (1325055).

2425857 is a wasteful number, since it uses less digits than its factorization.

2425857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its digits is 22400, while the sum is 33.

The square root of 2425857 is about 1557.5162920496. The cubic root of 2425857 is about 134.3656937489.

The spelling of 2425857 in words is "two million, four hundred twenty-five thousand, eight hundred fifty-seven".