501474481 has 4 divisors (see below), whose sum is σ = 503186292. Its totient is φ = 499762672.

The previous prime is 501474433. The next prime is 501474587. The reversal of 501474481 is 184474105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184474105 = 5 ⋅36894821.

It can be written as a sum of positive squares in 2 ways, for example, as 305026225 + 196448256 = 17465^2 + 14016^2 .

It is a cyclic number.

It is not a de Polignac number, because 501474481 - 2¹⁹ = 500950193 is a prime.

It is a super-2 number, since 2×501474481² = 502953310188438722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501474881) 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, 855466 + ... + 856051.

It is an arithmetic number, because the mean of its divisors is an integer number (125796573).

Almost surely, 2^501474481 is an apocalyptic number.

It is an amenable number.

501474481 is a deficient number, since it is larger than the sum of its proper divisors (1711811).

501474481 is a wasteful number, since it uses less digits than its factorization.

501474481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711810.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 501474481 is about 22393.6259011353. The cubic root of 501474481 is about 794.4799578773.

The spelling of 501474481 in words is "five hundred one million, four hundred seventy-four thousand, four hundred eighty-one".