5201220451 has 4 divisors (see below), whose sum is σ = 5944251952. Its totient is φ = 4458188952.

The previous prime is 5201220433. The next prime is 5201220469. The reversal of 5201220451 is 1540221025.

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 (5201220433) and next prime (5201220469).

It is not a de Polignac number, because 5201220451 - 2¹⁵ = 5201187683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5201220421) 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, 371515740 + ... + 371515753.

It is an arithmetic number, because the mean of its divisors is an integer number (1486062988).

Almost surely, 2^5201220451 is an apocalyptic number.

5201220451 is a deficient number, since it is larger than the sum of its proper divisors (743031501).

5201220451 is an equidigital number, since it uses as much as digits as its factorization.

5201220451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743031500.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5201220451 is about 72119.4873179226. The cubic root of 5201220451 is about 1732.6137388464.

Adding to 5201220451 its reverse (1540221025), we get a palindrome (6741441476).

The spelling of 5201220451 in words is "five billion, two hundred one million, two hundred twenty thousand, four hundred fifty-one".