2545315225 has 24 divisors (see below), whose sum is σ = 3344705568. Its totient is φ = 1914835200.

The previous prime is 2545315207. The next prime is 2545315229. The reversal of 2545315225 is 5225135452.

It is not a de Polignac number, because 2545315225 - 2¹⁵ = 2545282457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545315229) 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 23 ways as a sum of consecutive naturals, for example, 768022 + ... + 771328.

It is an arithmetic number, because the mean of its divisors is an integer number (139362732).

Almost surely, 2^2545315225 is an apocalyptic number.

2545315225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2545315225 is a deficient number, since it is larger than the sum of its proper divisors (799390343).

2545315225 is a wasteful number, since it uses less digits than its factorization.

2545315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145 (or 5140 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 2545315225 is about 50451.1171828732. The cubic root of 2545315225 is about 1365.3600511819.

The spelling of 2545315225 in words is "two billion, five hundred forty-five million, three hundred fifteen thousand, two hundred twenty-five".