487483021 has 2 divisors, whose sum is σ = 487483022. Its totient is φ = 487483020.

The previous prime is 487482893. The next prime is 487483037. The reversal of 487483021 is 120384784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458430921 + 29052100 = 21411^2 + 5390^2 .

It is a cyclic number.

It is not a de Polignac number, because 487483021 - 2⁷ = 487482893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487483421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243741510 + 243741511.

It is an arithmetic number, because the mean of its divisors is an integer number (243741511).

Almost surely, 2^487483021 is an apocalyptic number.

It is an amenable number.

487483021 is a deficient number, since it is larger than the sum of its proper divisors (1).

487483021 is an equidigital number, since it uses as much as digits as its factorization.

487483021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 487483021 is about 22079.0176638364. The cubic root of 487483021 is about 787.0213211224.

The spelling of 487483021 in words is "four hundred eighty-seven million, four hundred eighty-three thousand, twenty-one".