487551803 has 2 divisors, whose sum is σ = 487551804. Its totient is φ = 487551802.

The previous prime is 487551737. The next prime is 487551811. The reversal of 487551803 is 308155784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487551803 - 2¹² = 487547707 is a prime.

It is not a weakly prime, because it can be changed into another prime (487551853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243775901 + 243775902.

It is an arithmetic number, because the mean of its divisors is an integer number (243775902).

Almost surely, 2^487551803 is an apocalyptic number.

487551803 is a deficient number, since it is larger than the sum of its proper divisors (1).

487551803 is an equidigital number, since it uses as much as digits as its factorization.

487551803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 487551803 is about 22080.5752416009. The cubic root of 487551803 is about 787.0583346199.

The spelling of 487551803 in words is "four hundred eighty-seven million, five hundred fifty-one thousand, eight hundred three".