506465645 has 8 divisors (see below), whose sum is σ = 694581504. Its totient is φ = 347290704.

The previous prime is 506465639. The next prime is 506465647. The reversal of 506465645 is 546564605.

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 506465645 - 2⁴ = 506465629 is a prime.

It is a super-3 number, since 3×506465645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506465647) 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, 7235189 + ... + 7235258.

It is an arithmetic number, because the mean of its divisors is an integer number (86822688).

Almost surely, 2^506465645 is an apocalyptic number.

It is an amenable number.

506465645 is a deficient number, since it is larger than the sum of its proper divisors (188115859).

506465645 is a wasteful number, since it uses less digits than its factorization.

506465645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470459.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 506465645 is about 22504.7916009014. The cubic root of 506465645 is about 797.1070747769.

The spelling of 506465645 in words is "five hundred six million, four hundred sixty-five thousand, six hundred forty-five".