325547745524 has 6 divisors (see below), whose sum is σ = 569708554674. Its totient is φ = 162773872760.

The previous prime is 325547745499. The next prime is 325547745547. The reversal of 325547745524 is 425547745523.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 276360490000 + 49187255524 = 525700^2 + 221782^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40693468187 + ... + 40693468194.

It is an arithmetic number, because the mean of its divisors is an integer number (94951425779).

Almost surely, 2^325547745524 is an apocalyptic number.

It is an amenable number.

325547745524 is a deficient number, since it is larger than the sum of its proper divisors (244160809150).

325547745524 is a wasteful number, since it uses less digits than its factorization.

325547745524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81386936385 (or 81386936383 counting only the distinct ones).

The product of its digits is 23520000, while the sum is 53.

Subtracting 325547745524 from its reverse (425547745523), we obtain a palindrome (99999999999).

The spelling of 325547745524 in words is "three hundred twenty-five billion, five hundred forty-seven million, seven hundred forty-five thousand, five hundred twenty-four".