5013989 has 4 divisors (see below), whose sum is σ = 5030124. Its totient is φ = 4997856.

The previous prime is 5013979. The next prime is 5013991. The reversal of 5013989 is 9893105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 2748964 = 1505^2 + 1658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5013989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5013919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7592 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (1257531).

Almost surely, 2^5013989 is an apocalyptic number.

It is an amenable number.

5013989 is a deficient number, since it is larger than the sum of its proper divisors (16135).

5013989 is a wasteful number, since it uses less digits than its factorization.

5013989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16134.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 5013989 is about 2239.1938281444. The cubic root of 5013989 is about 171.1569185313.

The spelling of 5013989 in words is "five million, thirteen thousand, nine hundred eighty-nine".