2545043525 has 24 divisors (see below), whose sum is σ = 3246396384. Its totient is φ = 1978430400.

The previous prime is 2545043513. The next prime is 2545043563. The reversal of 2545043525 is 5253405452.

It is not a de Polignac number, because 2545043525 - 2⁶ = 2545043461 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, 116522 + ... + 136628.

It is an arithmetic number, because the mean of its divisors is an integer number (135266516).

Almost surely, 2^2545043525 is an apocalyptic number.

2545043525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2545043525 is a deficient number, since it is larger than the sum of its proper divisors (701352859).

2545043525 is a wasteful number, since it uses less digits than its factorization.

2545043525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20261 (or 20256 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 2545043525 is about 50448.4244055253. The cubic root of 2545043525 is about 1365.3114676086.

Adding to 2545043525 its reverse (5253405452), we get a palindrome (7798448977).

The spelling of 2545043525 in words is "two billion, five hundred forty-five million, forty-three thousand, five hundred twenty-five".