4551020425 has 24 divisors (see below), whose sum is σ = 6452323136. Its totient is φ = 3119307840.

The previous prime is 4551020423. The next prime is 4551020437. The reversal of 4551020425 is 5240201554.

It is not a de Polignac number, because 4551020425 - 2¹ = 4551020423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4551020393 and 4551020402.

It is not an unprimeable number, because it can be changed into a prime (4551020423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527194 + ... + 535756.

Almost surely, 2^4551020425 is an apocalyptic number.

It is an amenable number.

4551020425 is a deficient number, since it is larger than the sum of its proper divisors (1901302711).

4551020425 is a wasteful number, since it uses less digits than its factorization.

4551020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11617 (or 11612 counting only the distinct ones).

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

The square root of 4551020425 is about 67461.2512854602. The cubic root of 4551020425 is about 1657.1796626271.

Adding to 4551020425 its reverse (5240201554), we get a palindrome (9791221979).

The spelling of 4551020425 in words is "four billion, five hundred fifty-one million, twenty thousand, four hundred twenty-five".