5275981 has 4 divisors (see below), whose sum is σ = 5306652. Its totient is φ = 5245312.

The previous prime is 5275909. The next prime is 5275987. The reversal of 5275981 is 1895725.

5275981 is nontrivially palindromic in base 12.

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 4447881 + 828100 = 2109^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5275981 - 2¹³ = 5267789 is a prime.

It is a super-2 number, since 2×5275981² = 55671951024722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5275981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5275987) 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, 15076 + ... + 15421.

It is an arithmetic number, because the mean of its divisors is an integer number (1326663).

Almost surely, 2^5275981 is an apocalyptic number.

It is an amenable number.

5275981 is a deficient number, since it is larger than the sum of its proper divisors (30671).

5275981 is a wasteful number, since it uses less digits than its factorization.

5275981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30670.

The product of its digits is 25200, while the sum is 37.

The square root of 5275981 is about 2296.9503695117. The cubic root of 5275981 is about 174.0875610735.

The spelling of 5275981 in words is "five million, two hundred seventy-five thousand, nine hundred eighty-one".