5126981 has 4 divisors (see below), whose sum is σ = 5199264. Its totient is φ = 5054700.

The previous prime is 5126977. The next prime is 5126983. The reversal of 5126981 is 1896215.

5126981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5126981 - 2² = 5126977 is a prime.

It is a super-2 number, since 2×5126981² = 52571868348722, 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 (5126983) 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, 36035 + ... + 36176.

It is an arithmetic number, because the mean of its divisors is an integer number (1299816).

Almost surely, 2^5126981 is an apocalyptic number.

It is an amenable number.

5126981 is a deficient number, since it is larger than the sum of its proper divisors (72283).

5126981 is an equidigital number, since it uses as much as digits as its factorization.

5126981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72282.

The product of its digits is 4320, while the sum is 32.

The square root of 5126981 is about 2264.2837719685. The cubic root of 5126981 is about 172.4330735262.

The spelling of 5126981 in words is "five million, one hundred twenty-six thousand, nine hundred eighty-one".