487581463 has 2 divisors, whose sum is σ = 487581464. Its totient is φ = 487581462.

The previous prime is 487581421. The next prime is 487581467. The reversal of 487581463 is 364185784.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487581463 - 2²⁵ = 454027031 is a prime.

It is a super-2 number, since 2×487581463² = 475471366122440738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487581467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243790731 + 243790732.

It is an arithmetic number, because the mean of its divisors is an integer number (243790732).

Almost surely, 2^487581463 is an apocalyptic number.

487581463 is a deficient number, since it is larger than the sum of its proper divisors (1).

487581463 is an equidigital number, since it uses as much as digits as its factorization.

487581463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 487581463 is about 22081.2468624396. The cubic root of 487581463 is about 787.0742944124.

The spelling of 487581463 in words is "four hundred eighty-seven million, five hundred eighty-one thousand, four hundred sixty-three".