487019801 has 2 divisors, whose sum is σ = 487019802. Its totient is φ = 487019800.

The previous prime is 487019747. The next prime is 487019833. The reversal of 487019801 is 108910784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387499225 + 99520576 = 19685^2 + 9976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487019801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487019201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243509900 + 243509901.

It is an arithmetic number, because the mean of its divisors is an integer number (243509901).

Almost surely, 2^487019801 is an apocalyptic number.

It is an amenable number.

487019801 is a deficient number, since it is larger than the sum of its proper divisors (1).

487019801 is an equidigital number, since it uses as much as digits as its factorization.

487019801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 487019801 is about 22068.5251206328. The cubic root of 487019801 is about 786.7719588987.

The spelling of 487019801 in words is "four hundred eighty-seven million, nineteen thousand, eight hundred one".