5248576981 has 4 divisors (see below), whose sum is σ = 5249686464. Its totient is φ = 5247467500.

The previous prime is 5248576979. The next prime is 5248576999. The reversal of 5248576981 is 1896758425.

It is a happy number.

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 5248576981 - 2¹ = 5248576979 is a prime.

It is a super-2 number, since 2×5248576981² = 55095120650966148722, 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 (5248576181) 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, 547615 + ... + 557116.

It is an arithmetic number, because the mean of its divisors is an integer number (1312421616).

Almost surely, 2^5248576981 is an apocalyptic number.

It is an amenable number.

5248576981 is a deficient number, since it is larger than the sum of its proper divisors (1109483).

5248576981 is a wasteful number, since it uses less digits than its factorization.

5248576981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109482.

The product of its digits is 4838400, while the sum is 55.

The square root of 5248576981 is about 72447.0633014203. The cubic root of 5248576981 is about 1737.8562780324.

The spelling of 5248576981 in words is "five billion, two hundred forty-eight million, five hundred seventy-six thousand, nine hundred eighty-one".