6945231 has 16 divisors (see below), whose sum is σ = 10036224. Its totient is φ = 4255104.

The previous prime is 6945223. The next prime is 6945251. The reversal of 6945231 is 1325496.

It is not a de Polignac number, because 6945231 - 2³ = 6945223 is a prime.

It is a super-2 number, since 2×6945231² = 96472467286722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610 + ... + 3776.

It is an arithmetic number, because the mean of its divisors is an integer number (627264).

Almost surely, 2^6945231 is an apocalyptic number.

6945231 is a deficient number, since it is larger than the sum of its proper divisors (3090993).

6945231 is a wasteful number, since it uses less digits than its factorization.

6945231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230.

The product of its digits is 6480, while the sum is 30.

The square root of 6945231 is about 2635.3806176718. The cubic root of 6945231 is about 190.7929098711.

The spelling of 6945231 in words is "six million, nine hundred forty-five thousand, two hundred thirty-one".