522987645 has 16 divisors (see below), whose sum is σ = 844603200. Its totient is φ = 276319104.

The previous prime is 522987611. The next prime is 522987667. The reversal of 522987645 is 546789225.

It is not a de Polignac number, because 522987645 - 2⁶ = 522987581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522987594 and 522987603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161320 + ... + 164529.

It is an arithmetic number, because the mean of its divisors is an integer number (52787700).

Almost surely, 2^522987645 is an apocalyptic number.

It is an amenable number.

522987645 is a deficient number, since it is larger than the sum of its proper divisors (321615555).

522987645 is a wasteful number, since it uses less digits than its factorization.

522987645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325964.

The product of its digits is 1209600, while the sum is 48.

The square root of 522987645 is about 22868.9231272485. The cubic root of 522987645 is about 805.6822758890.

The spelling of 522987645 in words is "five hundred twenty-two million, nine hundred eighty-seven thousand, six hundred forty-five".