5431091 has 8 divisors (see below), whose sum is σ = 5663520. Its totient is φ = 5201728.

The previous prime is 5431067. The next prime is 5431121. The reversal of 5431091 is 1901345.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5431091 - 2²² = 1236787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3290 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (707940).

Almost surely, 2^5431091 is an apocalyptic number.

5431091 is a deficient number, since it is larger than the sum of its proper divisors (232429).

5431091 is a wasteful number, since it uses less digits than its factorization.

5431091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5431091 is about 2330.4701242453. The cubic root of 5431091 is about 175.7771262038. Note that the first 3 decimals are identical.

The spelling of 5431091 in words is "five million, four hundred thirty-one thousand, ninety-one".