5120520454 has 8 divisors (see below), whose sum is σ = 8778035088. Its totient is φ = 2194508760.

The previous prime is 5120520451. The next prime is 5120520481. The reversal of 5120520454 is 4540250215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5120520454² = 52439459439664732232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120520451) 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, 182875717 + ... + 182875744.

It is an arithmetic number, because the mean of its divisors is an integer number (1097254386).

Almost surely, 2^5120520454 is an apocalyptic number.

5120520454 is a deficient number, since it is larger than the sum of its proper divisors (3657514634).

5120520454 is a wasteful number, since it uses less digits than its factorization.

5120520454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365751470.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5120520454 is about 71557.8119704620. The cubic root of 5120520454 is about 1723.6061502631.

Adding to 5120520454 its reverse (4540250215), we get a palindrome (9660770669).

The spelling of 5120520454 in words is "five billion, one hundred twenty million, five hundred twenty thousand, four hundred fifty-four".