6857925 has 24 divisors (see below), whose sum is σ = 11532000. Its totient is φ = 3595200.

The previous prime is 6857881. The next prime is 6857927. The reversal of 6857925 is 5297586.

It is not a de Polignac number, because 6857925 - 2¹⁰ = 6856901 is a prime.

It is a super-2 number, since 2×6857925² = 94062270611250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3826 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (480500).

Almost surely, 2^6857925 is an apocalyptic number.

It is an amenable number.

6857925 is a deficient number, since it is larger than the sum of its proper divisors (4674075).

6857925 is a wasteful number, since it uses less digits than its factorization.

6857925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1568 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 6857925 is about 2618.7640214422. The cubic root of 6857925 is about 189.9900733503.

The spelling of 6857925 in words is "six million, eight hundred fifty-seven thousand, nine hundred twenty-five".