522261348787 has 4 divisors (see below), whose sum is σ = 552982604616. Its totient is φ = 491540092960.

The previous prime is 522261348769. The next prime is 522261348803. The reversal of 522261348787 is 787843162225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522261348787 - 2⁷ = 522261348659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522261348767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15360627889 + ... + 15360627922.

It is an arithmetic number, because the mean of its divisors is an integer number (138245651154).

Almost surely, 2^522261348787 is an apocalyptic number.

522261348787 is a deficient number, since it is larger than the sum of its proper divisors (30721255829).

522261348787 is a wasteful number, since it uses less digits than its factorization.

522261348787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30721255828.

The product of its digits is 9031680, while the sum is 55.

The spelling of 522261348787 in words is "five hundred twenty-two billion, two hundred sixty-one million, three hundred forty-eight thousand, seven hundred eighty-seven".