5023981 has 4 divisors (see below), whose sum is σ = 5062464. Its totient is φ = 4985500.

The previous prime is 5023979. The next prime is 5023987. The reversal of 5023981 is 1893205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5023981 - 2¹ = 5023979 is a prime.

It is a super-2 number, since 2×5023981² = 50480770176722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5023987) 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, 19045 + ... + 19306.

It is an arithmetic number, because the mean of its divisors is an integer number (1265616).

Almost surely, 2^5023981 is an apocalyptic number.

It is an amenable number.

5023981 is a deficient number, since it is larger than the sum of its proper divisors (38483).

5023981 is a wasteful number, since it uses less digits than its factorization.

5023981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38482.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5023981 is about 2241.4238778062. The cubic root of 5023981 is about 171.2705383220.

The spelling of 5023981 in words is "five million, twenty-three thousand, nine hundred eighty-one".