5131452091 has 4 divisors (see below), whose sum is σ = 5433302232. Its totient is φ = 4829601952.

The previous prime is 5131452089. The next prime is 5131452101. The reversal of 5131452091 is 1902541315.

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 5131452091 - 2¹ = 5131452089 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131452061) 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, 150925045 + ... + 150925078.

It is an arithmetic number, because the mean of its divisors is an integer number (1358325558).

Almost surely, 2^5131452091 is an apocalyptic number.

5131452091 is a deficient number, since it is larger than the sum of its proper divisors (301850141).

5131452091 is a wasteful number, since it uses less digits than its factorization.

5131452091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301850140.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5131452091 is about 71634.1545004895. The cubic root of 5131452091 is about 1724.8318358507.

The spelling of 5131452091 in words is "five billion, one hundred thirty-one million, four hundred fifty-two thousand, ninety-one".