4919245 has 4 divisors (see below), whose sum is σ = 5903100. Its totient is φ = 3935392.

The previous prime is 4919231. The next prime is 4919249. The reversal of 4919245 is 5429194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5429194 = 2 ⋅2714597.

It can be written as a sum of positive squares in 2 ways, for example, as 2696164 + 2223081 = 1642^2 + 1491^2 .

It is a cyclic number.

It is not a de Polignac number, because 4919245 - 2⁹ = 4918733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4919245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919249) 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, 491920 + ... + 491929.

It is an arithmetic number, because the mean of its divisors is an integer number (1475775).

Almost surely, 2^4919245 is an apocalyptic number.

It is an amenable number.

4919245 is a deficient number, since it is larger than the sum of its proper divisors (983855).

4919245 is an equidigital number, since it uses as much as digits as its factorization.

4919245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983854.

The product of its digits is 12960, while the sum is 34.

The square root of 4919245 is about 2217.9371046087. The cubic root of 4919245 is about 170.0719994905.

The spelling of 4919245 in words is "four million, nine hundred nineteen thousand, two hundred forty-five".