6925387 has 4 divisors (see below), whose sum is σ = 7914736. Its totient is φ = 5936040.

The previous prime is 6925349. The next prime is 6925393. The reversal of 6925387 is 7835296.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6925387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6925337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494664 + ... + 494677.

It is an arithmetic number, because the mean of its divisors is an integer number (1978684).

Almost surely, 2^6925387 is an apocalyptic number.

6925387 is a deficient number, since it is larger than the sum of its proper divisors (989349).

6925387 is an equidigital number, since it uses as much as digits as its factorization.

6925387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989348.

The product of its digits is 90720, while the sum is 40.

The square root of 6925387 is about 2631.6130034638. The cubic root of 6925387 is about 190.6110245779.

Adding to 6925387 its product of digits (90720), we get a palindrome (7016107).

Subtracting 6925387 from its reverse (7835296), we obtain a palindrome (909909).

The spelling of 6925387 in words is "six million, nine hundred twenty-five thousand, three hundred eighty-seven".