2543450502325 has 24 divisors (see below), whose sum is σ = 3200181512328. Its totient is φ = 2005095751680.

The previous prime is 2543450502311. The next prime is 2543450502331. The reversal of 2543450502325 is 5232050543452.

It can be written as a sum of positive squares in 12 ways, for example, as 148158787396 + 2395291714929 = 384914^2 + 1547673^2 .

It is not a de Polignac number, because 2543450502325 - 2²⁵ = 2543416947893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2113404 + ... + 3090853.

It is an arithmetic number, because the mean of its divisors is an integer number (133340896347).

Almost surely, 2^{2543450502325} is an apocalyptic number.

2543450502325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543450502325 is a deficient number, since it is larger than the sum of its proper divisors (656731010003).

2543450502325 is a wasteful number, since it uses less digits than its factorization.

2543450502325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204553 (or 5204548 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 2543450502325 in words is "two trillion, five hundred forty-three billion, four hundred fifty million, five hundred two thousand, three hundred twenty-five".