5021545131 has 16 divisors (see below), whose sum is σ = 7830870400. Its totient is φ = 3171501864.

The previous prime is 5021545129. The next prime is 5021545157. The reversal of 5021545131 is 1315451205.

5021545131 is a `hidden beast` number, since 502 + 154 + 5 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 5021545131 - 2¹ = 5021545129 is a prime.

It is a super-2 number, since 2×5021545131² = 50431831005339614322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5021545095 and 5021545104.

It is not an unprimeable number, because it can be changed into a prime (5021545181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4893781 + ... + 4894806.

It is an arithmetic number, because the mean of its divisors is an integer number (489429400).

Almost surely, 2^5021545131 is an apocalyptic number.

5021545131 is a deficient number, since it is larger than the sum of its proper divisors (2809325269).

5021545131 is a wasteful number, since it uses less digits than its factorization.

5021545131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788615 (or 9788609 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5021545131 is about 70862.8614367216. The cubic root of 5021545131 is about 1712.4285376683.

Adding to 5021545131 its reverse (1315451205), we get a palindrome (6336996336).

The spelling of 5021545131 in words is "five billion, twenty-one million, five hundred forty-five thousand, one hundred thirty-one".