2420451225 has 18 divisors (see below), whose sum is σ = 4335297486. Its totient is φ = 1290907200.

The previous prime is 2420451203. The next prime is 2420451227. The reversal of 2420451225 is 5221540242.

It can be written as a sum of positive squares in 3 ways, for example, as 603390096 + 1817061129 = 24564^2 + 42627^2 .

It is not a de Polignac number, because 2420451225 - 2¹³ = 2420443033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420451227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5378556 + ... + 5379005.

Almost surely, 2^2420451225 is an apocalyptic number.

2420451225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2420451225 is a deficient number, since it is larger than the sum of its proper divisors (1914846261).

2420451225 is a wasteful number, since it uses less digits than its factorization.

2420451225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757577 (or 10757569 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2420451225 is about 49198.0815174738. The cubic root of 2420451225 is about 1342.6581277074.

Adding to 2420451225 its reverse (5221540242), we get a palindrome (7641991467).

The spelling of 2420451225 in words is "two billion, four hundred twenty million, four hundred fifty-one thousand, two hundred twenty-five".