25353505245 has 32 divisors (see below), whose sum is σ = 42354918144. Its totient is φ = 12926144000.

The previous prime is 25353505211. The next prime is 25353505259. The reversal of 25353505245 is 54250535352.

It is a happy number.

It is not a de Polignac number, because 25353505245 - 2¹² = 25353501149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572395 + ... + 615095.

It is an arithmetic number, because the mean of its divisors is an integer number (1323591192).

Almost surely, 2^25353505245 is an apocalyptic number.

It is an amenable number.

25353505245 is a deficient number, since it is larger than the sum of its proper divisors (17001412899).

25353505245 is a wasteful number, since it uses less digits than its factorization.

25353505245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44453.

The product of its (nonzero) digits is 450000, while the sum is 39.

The spelling of 25353505245 in words is "twenty-five billion, three hundred fifty-three million, five hundred five thousand, two hundred forty-five".