2451543425 has 6 divisors (see below), whose sum is σ = 3039913878. Its totient is φ = 1961234720.

The previous prime is 2451543401. The next prime is 2451543427. The reversal of 2451543425 is 5243451542.

It can be written as a sum of positive squares in 3 ways, for example, as 204304 + 2451339121 = 452^2 + 49511^2 .

It is not a de Polignac number, because 2451543425 - 2¹² = 2451539329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2451543427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49030844 + ... + 49030893.

It is an arithmetic number, because the mean of its divisors is an integer number (506652313).

Almost surely, 2^2451543425 is an apocalyptic number.

2451543425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2451543425 is a deficient number, since it is larger than the sum of its proper divisors (588370453).

2451543425 is an equidigital number, since it uses as much as digits as its factorization.

2451543425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98061747 (or 98061742 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 2451543425 is about 49513.0631752874. The cubic root of 2451543425 is about 1348.3827776547.

Adding to 2451543425 its reverse (5243451542), we get a palindrome (7694994967).

The spelling of 2451543425 in words is "two billion, four hundred fifty-one million, five hundred forty-three thousand, four hundred twenty-five".