5125421454 has 16 divisors (see below), whose sum is σ = 10287326160. Its totient is φ = 1702393280.

The previous prime is 5125421417. The next prime is 5125421471. The reversal of 5125421454 is 4541245215.

It is a happy number.

It is a super-2 number, since 2×5125421454² = 52539890162246948232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518309 + ... + 1521680.

It is an arithmetic number, because the mean of its divisors is an integer number (642957885).

Almost surely, 2^5125421454 is an apocalyptic number.

5125421454 is an abundant number, since it is smaller than the sum of its proper divisors (5161904706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5125421454 is a wasteful number, since it uses less digits than its factorization.

5125421454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040275.

The product of its digits is 32000, while the sum is 33.

The square root of 5125421454 is about 71592.0488182871. The cubic root of 5125421454 is about 1724.1558795447.

Adding to 5125421454 its reverse (4541245215), we get a palindrome (9666666669).

The spelling of 5125421454 in words is "five billion, one hundred twenty-five million, four hundred twenty-one thousand, four hundred fifty-four".