6907225 has 24 divisors (see below), whose sum is σ = 9421272. Its totient is φ = 4992000.

The previous prime is 6907223. The next prime is 6907247. The reversal of 6907225 is 5227096.

It can be written as a sum of positive squares in 12 ways, for example, as 501264 + 6405961 = 708^2 + 2531^2 .

It is not a de Polignac number, because 6907225 - 2¹ = 6907223 is a prime.

It is a Duffinian number.

6907225 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6907223) 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, 17025 + ... + 17425.

It is an arithmetic number, because the mean of its divisors is an integer number (392553).

Almost surely, 2^6907225 is an apocalyptic number.

6907225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6907225 is a deficient number, since it is larger than the sum of its proper divisors (2514047).

6907225 is a wasteful number, since it uses less digits than its factorization.

6907225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6907225 is about 2628.1600027396. The cubic root of 6907225 is about 190.4442513163. Note that the first 3 decimals are identical.

It can be divided in two parts, 6 and 907225, that multiplied together give a triangular number (5443350 = T₃₂₉₉).

The spelling of 6907225 in words is "six million, nine hundred seven thousand, two hundred twenty-five".