6953945 has 4 divisors (see below), whose sum is σ = 8344740. Its totient is φ = 5563152.

The previous prime is 6953941. The next prime is 6953957. The reversal of 6953945 is 5493596.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4682896 + 2271049 = 2164^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 6953945 - 2² = 6953941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6953941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695390 + ... + 695399.

It is an arithmetic number, because the mean of its divisors is an integer number (2086185).

Almost surely, 2^6953945 is an apocalyptic number.

It is an amenable number.

6953945 is a deficient number, since it is larger than the sum of its proper divisors (1390795).

6953945 is a wasteful number, since it uses less digits than its factorization.

6953945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390794.

The product of its digits is 145800, while the sum is 41.

The square root of 6953945 is about 2637.0333710441. The cubic root of 6953945 is about 190.8726708165.

The spelling of 6953945 in words is "six million, nine hundred fifty-three thousand, nine hundred forty-five".