5642091 has 36 divisors (see below), whose sum is σ = 10152688. Its totient is φ = 2940192.

The previous prime is 5642083. The next prime is 5642099. The reversal of 5642091 is 1902465.

It is an interprime number because it is at equal distance from previous prime (5642083) and next prime (5642099).

It is not a de Polignac number, because 5642091 - 2³ = 5642083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5642099) 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 35 ways as a sum of consecutive naturals, for example, 67936 + ... + 68018.

Almost surely, 2^5642091 is an apocalyptic number.

5642091 is a deficient number, since it is larger than the sum of its proper divisors (4510597).

5642091 is a wasteful number, since it uses less digits than its factorization.

5642091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5642091 is about 2375.3086115282. The cubic root of 5642091 is about 178.0246041821.

The spelling of 5642091 in words is "five million, six hundred forty-two thousand, ninety-one".