481403987 has 2 divisors, whose sum is σ = 481403988. Its totient is φ = 481403986.

The previous prime is 481403921. The next prime is 481404017. The reversal of 481403987 is 789304184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481403987 - 2²⁰ = 480355411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481403917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240701993 + 240701994.

It is an arithmetic number, because the mean of its divisors is an integer number (240701994).

Almost surely, 2^481403987 is an apocalyptic number.

481403987 is a deficient number, since it is larger than the sum of its proper divisors (1).

481403987 is an equidigital number, since it uses as much as digits as its factorization.

481403987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 481403987 is about 21940.9203772312. The cubic root of 481403987 is about 783.7361772620.

The spelling of 481403987 in words is "four hundred eighty-one million, four hundred three thousand, nine hundred eighty-seven".