5645967 has 4 divisors (see below), whose sum is σ = 7527960. Its totient is φ = 3763976.

The previous prime is 5645957. The next prime is 5646019. The reversal of 5645967 is 7695465.

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

It is a cyclic number.

It is not a de Polignac number, because 5645967 - 2⁴ = 5645951 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940992 + ... + 940997.

It is an arithmetic number, because the mean of its divisors is an integer number (1881990).

Almost surely, 2^5645967 is an apocalyptic number.

5645967 is a deficient number, since it is larger than the sum of its proper divisors (1881993).

5645967 is a wasteful number, since it uses less digits than its factorization.

5645967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881992.

The product of its digits is 226800, while the sum is 42.

The square root of 5645967 is about 2376.1243654321. The cubic root of 5645967 is about 178.0653612593.

The spelling of 5645967 in words is "five million, six hundred forty-five thousand, nine hundred sixty-seven".