520633406 has 8 divisors (see below), whose sum is σ = 806142144. Its totient is φ = 251919360.

The previous prime is 520633403. The next prime is 520633409. The reversal of 520633406 is 604336025.

It is an interprime number because it is at equal distance from previous prime (520633403) and next prime (520633409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520633403) 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, 4198595 + ... + 4198718.

It is an arithmetic number, because the mean of its divisors is an integer number (100767768).

Almost surely, 2^520633406 is an apocalyptic number.

520633406 is a deficient number, since it is larger than the sum of its proper divisors (285508738).

520633406 is a wasteful number, since it uses less digits than its factorization.

520633406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397346.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 520633406 is about 22817.3926205428. The cubic root of 520633406 is about 804.4715258797.

The spelling of 520633406 in words is "five hundred twenty million, six hundred thirty-three thousand, four hundred six".