4919131 has 4 divisors (see below), whose sum is σ = 5621872. Its totient is φ = 4216392.

The previous prime is 4919107. The next prime is 4919143. The reversal of 4919131 is 1319194.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1319194 = 2 ⋅659597.

It is a cyclic number.

It is not a de Polignac number, because 4919131 - 2¹⁹ = 4394843 is a prime.

It is a super-2 number, since 2×4919131² = 48395699590322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4919131.

It is not an unprimeable number, because it can be changed into a prime (4919191) 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, 351360 + ... + 351373.

It is an arithmetic number, because the mean of its divisors is an integer number (1405468).

Almost surely, 2^4919131 is an apocalyptic number.

4919131 is a deficient number, since it is larger than the sum of its proper divisors (702741).

4919131 is an equidigital number, since it uses as much as digits as its factorization.

4919131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702740.

The product of its digits is 972, while the sum is 28.

The square root of 4919131 is about 2217.9114049033. The cubic root of 4919131 is about 170.0706857145.

It can be divided in two parts, 4919 and 131, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4919131 in words is "four million, nine hundred nineteen thousand, one hundred thirty-one".