523508474 has 8 divisors (see below), whose sum is σ = 819404640. Its totient is φ = 250373596.

The previous prime is 523508471. The next prime is 523508483. The reversal of 523508474 is 474805325.

It is a happy number.

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

It is a super-2 number, since 2×523508474² = 548122244699617352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523508471) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5690264 + ... + 5690355.

It is an arithmetic number, because the mean of its divisors is an integer number (102425580).

Almost surely, 2^523508474 is an apocalyptic number.

523508474 is a deficient number, since it is larger than the sum of its proper divisors (295896166).

523508474 is a wasteful number, since it uses less digits than its factorization.

523508474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11380644.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 523508474 is about 22880.3075591217. The cubic root of 523508474 is about 805.9496394225.

The spelling of 523508474 in words is "five hundred twenty-three million, five hundred eight thousand, four hundred seventy-four".