2525503545 has 24 divisors (see below), whose sum is σ = 4381338312. Its totient is φ = 1345766400.

The previous prime is 2525503537. The next prime is 2525503549. The reversal of 2525503545 is 5453055252.

2525503545 is a `hidden beast` number, since 2 + 52 + 550 + 3 + 54 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1287589689 + 1237913856 = 35883^2 + 35184^2 .

It is not a de Polignac number, because 2525503545 - 2³ = 2525503537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2525503549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29385 + ... + 76905.

It is an arithmetic number, because the mean of its divisors is an integer number (182555763).

Almost surely, 2^2525503545 is an apocalyptic number.

It is an amenable number.

2525503545 is a deficient number, since it is larger than the sum of its proper divisors (1855834767).

2525503545 is a wasteful number, since it uses less digits than its factorization.

2525503545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48713 (or 48710 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 2525503545 is about 50254.3883158476. The cubic root of 2525503545 is about 1361.8083543996.

Adding to 2525503545 its reverse (5453055252), we get a palindrome (7978558797).

The spelling of 2525503545 in words is "two billion, five hundred twenty-five million, five hundred three thousand, five hundred forty-five".