6623137 has 4 divisors (see below), whose sum is σ = 6649776. Its totient is φ = 6596500.

The previous prime is 6623131. The next prime is 6623159. The reversal of 6623137 is 7313266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7313266 = 2 ⋅3656633.

It is a cyclic number.

It is not a de Polignac number, because 6623137 - 2⁷ = 6623009 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12943 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (1662444).

Almost surely, 2^6623137 is an apocalyptic number.

It is an amenable number.

6623137 is a deficient number, since it is larger than the sum of its proper divisors (26639).

6623137 is a wasteful number, since it uses less digits than its factorization.

6623137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26638.

The product of its digits is 4536, while the sum is 28.

The square root of 6623137 is about 2573.5456086885. The cubic root of 6623137 is about 187.7966811289.

The spelling of 6623137 in words is "six million, six hundred twenty-three thousand, one hundred thirty-seven".