5951091 has 4 divisors (see below), whose sum is σ = 7934792. Its totient is φ = 3967392.

The previous prime is 5951081. The next prime is 5951107. The reversal of 5951091 is 1901595.

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

It is not a de Polignac number, because 5951091 - 2⁷ = 5950963 is a prime.

It is a super-3 number, since 3×5951091³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

5951091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5951051) 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, 991846 + ... + 991851.

It is an arithmetic number, because the mean of its divisors is an integer number (1983698).

Almost surely, 2^5951091 is an apocalyptic number.

5951091 is a deficient number, since it is larger than the sum of its proper divisors (1983701).

5951091 is a wasteful number, since it uses less digits than its factorization.

5951091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983700.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 5951091 is about 2439.4858064764. The cubic root of 5951091 is about 181.2169696449.

The spelling of 5951091 in words is "five million, nine hundred fifty-one thousand, ninety-one".