5200021454 has 4 divisors (see below), whose sum is σ = 7800032184. Its totient is φ = 2600010726.

The previous prime is 5200021427. The next prime is 5200021481. The reversal of 5200021454 is 4541200025.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (5200021427) and next prime (5200021481).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300005362 + ... + 1300005365.

It is an arithmetic number, because the mean of its divisors is an integer number (1950008046).

Almost surely, 2^5200021454 is an apocalyptic number.

5200021454 is a deficient number, since it is larger than the sum of its proper divisors (2600010730).

5200021454 is a wasteful number, since it uses less digits than its factorization.

5200021454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600010729.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5200021454 is about 72111.1742658515. The cubic root of 5200021454 is about 1732.4805932803.

Adding to 5200021454 its reverse (4541200025), we get a palindrome (9741221479).

The spelling of 5200021454 in words is "five billion, two hundred million, twenty-one thousand, four hundred fifty-four".