481965621 has 8 divisors (see below), whose sum is σ = 670560960. Its totient is φ = 307340352.

The previous prime is 481965613. The next prime is 481965661. The reversal of 481965621 is 126569184.

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

It is not a de Polignac number, because 481965621 - 2³ = 481965613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481965661) 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, 3492436 + ... + 3492573.

It is an arithmetic number, because the mean of its divisors is an integer number (83820120).

Almost surely, 2^481965621 is an apocalyptic number.

It is an amenable number.

481965621 is a deficient number, since it is larger than the sum of its proper divisors (188595339).

481965621 is a wasteful number, since it uses less digits than its factorization.

481965621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985035.

The product of its digits is 103680, while the sum is 42.

The square root of 481965621 is about 21953.7154258681. The cubic root of 481965621 is about 784.0408429411.

The spelling of 481965621 in words is "four hundred eighty-one million, nine hundred sixty-five thousand, six hundred twenty-one".