5019945 has 16 divisors (see below), whose sum is σ = 9179520. Its totient is φ = 2294784.

The previous prime is 5019943. The next prime is 5019961. The reversal of 5019945 is 5499105.

It is not a de Polignac number, because 5019945 - 2¹ = 5019943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5019943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23800 + ... + 24009.

It is an arithmetic number, because the mean of its divisors is an integer number (573720).

Almost surely, 2^5019945 is an apocalyptic number.

It is an amenable number.

5019945 is a deficient number, since it is larger than the sum of its proper divisors (4159575).

5019945 is a wasteful number, since it uses less digits than its factorization.

5019945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47824.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 5019945 is about 2240.5233763565. The cubic root of 5019945 is about 171.2246628115.

The spelling of 5019945 in words is "five million, nineteen thousand, nine hundred forty-five".