487956481 has 4 divisors (see below), whose sum is σ = 501144532. Its totient is φ = 474768432.

The previous prime is 487956451. The next prime is 487956503. The reversal of 487956481 is 184659784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 310640625 + 177315856 = 17625^2 + 13316^2 .

It is a cyclic number.

It is not a de Polignac number, because 487956481 - 2⁷ = 487956353 is a prime.

It is a super-2 number, since 2×487956481² = 476203054699806722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487956451) 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, 6593970 + ... + 6594043.

It is an arithmetic number, because the mean of its divisors is an integer number (125286133).

Almost surely, 2^487956481 is an apocalyptic number.

It is an amenable number.

487956481 is a deficient number, since it is larger than the sum of its proper divisors (13188051).

487956481 is a wasteful number, since it uses less digits than its factorization.

487956481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13188050.

The product of its digits is 1935360, while the sum is 52.

The square root of 487956481 is about 22089.7370061302. The cubic root of 487956481 is about 787.2760325885.

The spelling of 487956481 in words is "four hundred eighty-seven million, nine hundred fifty-six thousand, four hundred eighty-one".