523201554636325 has 12 divisors (see below), whose sum is σ = 648789824185380. Its totient is φ = 418548407298560.

The previous prime is 523201554636311. The next prime is 523201554636329. The reversal of 523201554636325 is 523636455102325.

It can be written as a sum of positive squares in 6 ways, for example, as 64663486732321 + 458538067904004 = 8041361^2 + 21413502^2 .

It is not a de Polignac number, because 523201554636325 - 2⁹ = 523201554635813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523201554636329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320078734 + ... + 321709183.

It is an arithmetic number, because the mean of its divisors is an integer number (54065818682115).

Almost surely, 2^{523201554636325} is an apocalyptic number.

It is an amenable number.

523201554636325 is a deficient number, since it is larger than the sum of its proper divisors (125588269549055).

523201554636325 is a wasteful number, since it uses less digits than its factorization.

523201554636325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641820536 (or 641820531 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 523201554636325 in words is "five hundred twenty-three trillion, two hundred one billion, five hundred fifty-four million, six hundred thirty-six thousand, three hundred twenty-five".