522550401 has 4 divisors (see below), whose sum is σ = 696733872. Its totient is φ = 348366932.

The previous prime is 522550393. The next prime is 522550421. The reversal of 522550401 is 104055225.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522550401 - 2³ = 522550393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522550421) 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, 87091731 + ... + 87091736.

It is an arithmetic number, because the mean of its divisors is an integer number (174183468).

Almost surely, 2^522550401 is an apocalyptic number.

It is an amenable number.

522550401 is a deficient number, since it is larger than the sum of its proper divisors (174183471).

522550401 is a wasteful number, since it uses less digits than its factorization.

522550401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174183470.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 522550401 is about 22859.3613427847. The cubic root of 522550401 is about 805.4576829727.

The spelling of 522550401 in words is "five hundred twenty-two million, five hundred fifty thousand, four hundred one".