487084901 has 4 divisors (see below), whose sum is σ = 515736972. Its totient is φ = 458432832.

The previous prime is 487084889. The next prime is 487084903. The reversal of 487084901 is 109480784.

It is a happy number.

It is a Cunningham number, because it is equal to 22070²+1.

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 379236676 + 107848225 = 19474^2 + 10385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487084901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487084903) 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, 14326010 + ... + 14326043.

It is an arithmetic number, because the mean of its divisors is an integer number (128934243).

Almost surely, 2^487084901 is an apocalyptic number.

It is an amenable number.

487084901 is a deficient number, since it is larger than the sum of its proper divisors (28652071).

487084901 is a wasteful number, since it uses less digits than its factorization.

487084901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28652070.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 487084901 is about 22070.0000226552. Note that the first 4 decimals coincide. The cubic root of 487084901 is about 786.8070133068.

The spelling of 487084901 in words is "four hundred eighty-seven million, eighty-four thousand, nine hundred one".