481217287 has 4 divisors (see below), whose sum is σ = 492954336. Its totient is φ = 469480240.

The previous prime is 481217267. The next prime is 481217299. The reversal of 481217287 is 782712184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 481217287 - 2⁷ = 481217159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481217267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5868463 + ... + 5868544.

It is an arithmetic number, because the mean of its divisors is an integer number (123238584).

Almost surely, 2^481217287 is an apocalyptic number.

481217287 is a deficient number, since it is larger than the sum of its proper divisors (11737049).

481217287 is a wasteful number, since it uses less digits than its factorization.

481217287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737048.

The product of its digits is 50176, while the sum is 40.

The square root of 481217287 is about 21936.6653573418. The cubic root of 481217287 is about 783.6348469391.

The spelling of 481217287 in words is "four hundred eighty-one million, two hundred seventeen thousand, two hundred eighty-seven".