5225420500 has 24 divisors (see below), whose sum is σ = 11412319464. Its totient is φ = 2090168000.

The previous prime is 5225420449. The next prime is 5225420503. The reversal of 5225420500 is 50245225.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1523184784 + 3702235716 = 39028^2 + 60846^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5225420503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224921 + ... + 5225920.

It is an arithmetic number, because the mean of its divisors is an integer number (475513311).

Almost surely, 2^5225420500 is an apocalyptic number.

5225420500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5225420500 is an abundant number, since it is smaller than the sum of its proper divisors (6186898964).

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

5225420500 is a wasteful number, since it uses less digits than its factorization.

5225420500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450860 (or 10450848 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5225420500 is about 72287.0700748066. The cubic root of 5225420500 is about 1735.2967293898.

Adding to 5225420500 its reverse (50245225), we get a palindrome (5275665725).

The spelling of 5225420500 in words is "five billion, two hundred twenty-five million, four hundred twenty thousand, five hundred".