6948225 has 18 divisors (see below), whose sum is σ = 12445446. Its totient is φ = 3705600.

The previous prime is 6948217. The next prime is 6948233. The reversal of 6948225 is 5228496.

6948225 = 348² + 349² + ... + 397².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6948217) and next prime (6948233).

It can be written as a sum of positive squares in 3 ways, for example, as 1912689 + 5035536 = 1383^2 + 2244^2 .

It is not a de Polignac number, because 6948225 - 2³ = 6948217 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6948225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15216 + ... + 15665.

Almost surely, 2^6948225 is an apocalyptic number.

It is an amenable number.

6948225 is a deficient number, since it is larger than the sum of its proper divisors (5497221).

6948225 is a wasteful number, since it uses less digits than its factorization.

6948225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30897 (or 30889 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6948225 is about 2635.9485958569. The cubic root of 6948225 is about 190.8203220578.

The spelling of 6948225 in words is "six million, nine hundred forty-eight thousand, two hundred twenty-five".