5019845 has 16 divisors (see below), whose sum is σ = 6473520. Its totient is φ = 3723264.

The previous prime is 5019821. The next prime is 5019869. The reversal of 5019845 is 5489105.

It is an interprime number because it is at equal distance from previous prime (5019821) and next prime (5019869).

It can be written as a sum of positive squares in 8 ways, for example, as 516961 + 4502884 = 719^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 5019845 - 2¹⁰ = 5018821 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5801 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (404595).

Almost surely, 2^5019845 is an apocalyptic number.

It is an amenable number.

5019845 is a deficient number, since it is larger than the sum of its proper divisors (1453675).

5019845 is a wasteful number, since it uses less digits than its factorization.

5019845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5019845 is about 2240.5010600310. The cubic root of 5019845 is about 171.2235258416.

It can be divided in two parts, 501984 and 5, that multiplied together give a triangular number (2509920 = T₂₂₄₀).

The spelling of 5019845 in words is "five million, nineteen thousand, eight hundred forty-five".