25030552545 has 24 divisors (see below), whose sum is σ = 43409262312. Its totient is φ = 13342560000.

The previous prime is 25030552543. The next prime is 25030552559. The reversal of 25030552545 is 54525503052.

25030552545 is a `hidden beast` number, since 2 + 50 + 3 + 0 + 552 + 54 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 885122001 + 24145430544 = 29751^2 + 155388^2 .

It is not a de Polignac number, because 25030552545 - 2¹ = 25030552543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25030552541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60756 + ... + 231845.

It is an arithmetic number, because the mean of its divisors is an integer number (1808719263).

Almost surely, 2^25030552545 is an apocalyptic number.

It is an amenable number.

25030552545 is a deficient number, since it is larger than the sum of its proper divisors (18378709767).

25030552545 is a wasteful number, since it uses less digits than its factorization.

25030552545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294513 (or 294510 counting only the distinct ones).

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

The spelling of 25030552545 in words is "twenty-five billion, thirty million, five hundred fifty-two thousand, five hundred forty-five".