5941991 has 4 divisors (see below), whose sum is σ = 6482184. Its totient is φ = 5401800.

The previous prime is 5941973. The next prime is 5942009. The reversal of 5941991 is 1991495.

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

It is an interprime number because it is at equal distance from previous prime (5941973) and next prime (5942009).

It is a cyclic number.

It is not a de Polignac number, because 5941991 - 2¹⁸ = 5679847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5941921) 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, 270080 + ... + 270101.

It is an arithmetic number, because the mean of its divisors is an integer number (1620546).

Almost surely, 2^5941991 is an apocalyptic number.

5941991 is a deficient number, since it is larger than the sum of its proper divisors (540193).

5941991 is a wasteful number, since it uses less digits than its factorization.

5941991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540192.

The product of its digits is 14580, while the sum is 38.

The square root of 5941991 is about 2437.6199457668. The cubic root of 5941991 is about 181.1245543388.

The spelling of 5941991 in words is "five million, nine hundred forty-one thousand, nine hundred ninety-one".