5425500321 has 12 divisors (see below), whose sum is σ = 7917627172. Its totient is φ = 3579710976.

The previous prime is 5425500281. The next prime is 5425500373. The reversal of 5425500321 is 1230055245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4164895296 + 1260605025 = 64536^2 + 35505^2 .

It is not a de Polignac number, because 5425500321 - 2⁹ = 5425499809 is a prime.

It is a super-2 number, since 2×5425500321² = 58872107466342206082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5425500721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3106516 + ... + 3108261.

Almost surely, 2^5425500321 is an apocalyptic number.

It is an amenable number.

5425500321 is a deficient number, since it is larger than the sum of its proper divisors (2492126851).

5425500321 is a wasteful number, since it uses less digits than its factorization.

5425500321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214880 (or 6214877 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5425500321 is about 73657.9956352330. The cubic root of 5425500321 is about 1757.1679143391.

Adding to 5425500321 its reverse (1230055245), we get a palindrome (6655555566).

The spelling of 5425500321 in words is "five billion, four hundred twenty-five million, five hundred thousand, three hundred twenty-one".