474206521 has 8 divisors (see below), whose sum is σ = 490838400. Its totient is φ = 457593360.

The previous prime is 474206441. The next prime is 474206527. The reversal of 474206521 is 125602474.

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

It is a cyclic number.

It is not a de Polignac number, because 474206521 - 2¹⁵ = 474173753 is a prime.

It is a super-3 number, since 3×474206521³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474206527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64336 + ... + 71326.

It is an arithmetic number, because the mean of its divisors is an integer number (61354800).

Almost surely, 2^474206521 is an apocalyptic number.

It is an amenable number.

474206521 is a deficient number, since it is larger than the sum of its proper divisors (16631879).

474206521 is a wasteful number, since it uses less digits than its factorization.

474206521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 474206521 is about 21776.2834524168. The cubic root of 474206521 is about 779.8106712298.

Adding to 474206521 its reverse (125602474), we get a palindrome (599808995).

The spelling of 474206521 in words is "four hundred seventy-four million, two hundred six thousand, five hundred twenty-one".