6653954 has 4 divisors (see below), whose sum is σ = 9980934. Its totient is φ = 3326976.

The previous prime is 6653939. The next prime is 6653957. The reversal of 6653954 is 4593566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4593566 = 2 ⋅2296783.

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 3323329 = 1825^2 + 1823^2 .

It is not an unprimeable number, because it can be changed into a prime (6653957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663487 + ... + 1663490.

Almost surely, 2^6653954 is an apocalyptic number.

6653954 is a deficient number, since it is larger than the sum of its proper divisors (3326980).

6653954 is a wasteful number, since it uses less digits than its factorization.

6653954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326979.

The product of its digits is 97200, while the sum is 38.

The square root of 6653954 is about 2579.5259254367. The cubic root of 6653954 is about 188.0874988807.

The spelling of 6653954 in words is "six million, six hundred fifty-three thousand, nine hundred fifty-four".