6940251 has 12 divisors (see below), whose sum is σ = 10370880. Its totient is φ = 4467120.

The previous prime is 6940223. The next prime is 6940261. The reversal of 6940251 is 1520496.

It is not a de Polignac number, because 6940251 - 2⁷ = 6940123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6940261) 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, 13035 + ... + 13556.

It is an arithmetic number, because the mean of its divisors is an integer number (864240).

Almost surely, 2^6940251 is an apocalyptic number.

6940251 is a deficient number, since it is larger than the sum of its proper divisors (3430629).

6940251 is a wasteful number, since it uses less digits than its factorization.

6940251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26626 (or 26623 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6940251 is about 2634.4356131817. The cubic root of 6940251 is about 190.7472969951.

The spelling of 6940251 in words is "six million, nine hundred forty thousand, two hundred fifty-one".