5020521451 has 4 divisors (see below), whose sum is σ = 5476932504. Its totient is φ = 4564110400.

The previous prime is 5020521437. The next prime is 5020521461. The reversal of 5020521451 is 1541250205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5020521451 - 2⁷ = 5020521323 is a prime.

It is a super-2 number, since 2×5020521451² = 50411271279902290802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5020521461) 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, 228205510 + ... + 228205531.

It is an arithmetic number, because the mean of its divisors is an integer number (1369233126).

Almost surely, 2^5020521451 is an apocalyptic number.

5020521451 is a deficient number, since it is larger than the sum of its proper divisors (456411053).

5020521451 is a wasteful number, since it uses less digits than its factorization.

5020521451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456411052.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5020521451 is about 70855.6381031178. The cubic root of 5020521451 is about 1712.3121659187.

Adding to 5020521451 its reverse (1541250205), we get a palindrome (6561771656).

The spelling of 5020521451 in words is "five billion, twenty million, five hundred twenty-one thousand, four hundred fifty-one".