525413242227645 has 64 divisors (see below), whose sum is σ = 937643837690880. Its totient is φ = 279148176115200.

The previous prime is 525413242227581. The next prime is 525413242227691. The reversal of 525413242227645 is 546722242314525.

525413242227645 is a `hidden beast` number, since 5 + 2 + 5 + 4 + 1 + 324 + 2 + 2 + 276 + 45 = 666.

It is not a de Polignac number, because 525413242227645 - 2⁶ = 525413242227581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525413242227591 and 525413242227600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139525635 + ... + 143241855.

It is an arithmetic number, because the mean of its divisors is an integer number (14650684963920).

Almost surely, 2^{525413242227645} is an apocalyptic number.

It is an amenable number.

525413242227645 is a deficient number, since it is larger than the sum of its proper divisors (412230595463235).

525413242227645 is a wasteful number, since it uses less digits than its factorization.

525413242227645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720243 (or 3720237 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 54.

The spelling of 525413242227645 in words is "five hundred twenty-five trillion, four hundred thirteen billion, two hundred forty-two million, two hundred twenty-seven thousand, six hundred forty-five".