5130491 has 4 divisors (see below), whose sum is σ = 5150712. Its totient is φ = 5110272.

The previous prime is 5130487. The next prime is 5130493. The reversal of 5130491 is 1940315.

It is a happy number.

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 5130491 - 2² = 5130487 is a prime.

It is a super-3 number, since 3×5130491³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5130493) 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 3 ways as a sum of consecutive naturals, for example, 9725 + ... + 10238.

It is an arithmetic number, because the mean of its divisors is an integer number (1287678).

Almost surely, 2^5130491 is an apocalyptic number.

5130491 is a deficient number, since it is larger than the sum of its proper divisors (20221).

5130491 is a wasteful number, since it uses less digits than its factorization.

5130491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220.

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

The square root of 5130491 is about 2265.0587188857. The cubic root of 5130491 is about 172.4724145485.

It can be divided in two parts, 51304 and 91, that multiplied together give a palindrome (4668664).

The spelling of 5130491 in words is "five million, one hundred thirty thousand, four hundred ninety-one".