525543851325245 has 48 divisors (see below), whose sum is σ = 669928496380416. Its totient is φ = 395035629120000.

The previous prime is 525543851325239. The next prime is 525543851325247. The reversal of 525543851325245 is 542523158345525.

It is not a de Polignac number, because 525543851325245 - 2¹⁰ = 525543851324221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525543851325247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320546489 + ... + 322181841.

It is an arithmetic number, because the mean of its divisors is an integer number (13956843674592).

Almost surely, 2^{525543851325245} is an apocalyptic number.

It is an amenable number.

525543851325245 is a deficient number, since it is larger than the sum of its proper divisors (144384645055171).

525543851325245 is a wasteful number, since it uses less digits than its factorization.

525543851325245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636254 (or 1636193 counting only the distinct ones).

The product of its digits is 144000000, while the sum is 59.

The spelling of 525543851325245 in words is "five hundred twenty-five trillion, five hundred forty-three billion, eight hundred fifty-one million, three hundred twenty-five thousand, two hundred forty-five".