6857425 has 12 divisors (see below), whose sum is σ = 8702320. Its totient is φ = 5357520.

The previous prime is 6857419. The next prime is 6857429. The reversal of 6857425 is 5247586.

It is a happy number.

It is not a de Polignac number, because 6857425 - 2⁷ = 6857297 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6857429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2115 + ... + 4264.

Almost surely, 2^6857425 is an apocalyptic number.

It is an amenable number.

6857425 is a deficient number, since it is larger than the sum of its proper divisors (1844895).

6857425 is a wasteful number, since it uses less digits than its factorization.

6857425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432 (or 6427 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 6857425 is about 2618.6685548194. The cubic root of 6857425 is about 189.9854559504.

The spelling of 6857425 in words is "six million, eight hundred fifty-seven thousand, four hundred twenty-five".