2502547645 has 16 divisors (see below), whose sum is σ = 3424302000. Its totient is φ = 1739326464.

The previous prime is 2502547643. The next prime is 2502547687. The reversal of 2502547645 is 5467452052.

It can be written as a sum of positive squares in 8 ways, for example, as 169078009 + 2333469636 = 13003^2 + 48306^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502547645 - 2¹ = 2502547643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2502547598 and 2502547607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502547643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131270 + ... + 1133479.

It is an arithmetic number, because the mean of its divisors is an integer number (214018875).

Almost surely, 2^2502547645 is an apocalyptic number.

It is an amenable number.

2502547645 is a deficient number, since it is larger than the sum of its proper divisors (921754355).

2502547645 is a wasteful number, since it uses less digits than its factorization.

2502547645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264784.

The product of its (nonzero) digits is 336000, while the sum is 40.

The square root of 2502547645 is about 50025.4699628099. The cubic root of 2502547645 is about 1357.6696766136.

Adding to 2502547645 its reverse (5467452052), we get a palindrome (7969999697).

The spelling of 2502547645 in words is "two billion, five hundred two million, five hundred forty-seven thousand, six hundred forty-five".