480989251 has 4 divisors (see below), whose sum is σ = 481292032. Its totient is φ = 480686472.

The previous prime is 480989231. The next prime is 480989263. The reversal of 480989251 is 152989084.

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 480989251 - 2²³ = 472600643 is a prime.

It is a super-3 number, since 3×480989251³ (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 (480989231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148995 + ... + 152188.

It is an arithmetic number, because the mean of its divisors is an integer number (120323008).

Almost surely, 2^480989251 is an apocalyptic number.

480989251 is a deficient number, since it is larger than the sum of its proper divisors (302781).

480989251 is a wasteful number, since it uses less digits than its factorization.

480989251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302780.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 480989251 is about 21931.4671419857. The cubic root of 480989251 is about 783.5110461844.

The spelling of 480989251 in words is "four hundred eighty million, nine hundred eighty-nine thousand, two hundred fifty-one".