1541327987 has 2 divisors, whose sum is σ = 1541327988. Its totient is φ = 1541327986.

The previous prime is 1541327959. The next prime is 1541328031. The reversal of 1541327987 is 7897231451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1541327987 - 2²⁸ = 1272892531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541327087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770663993 + 770663994.

It is an arithmetic number, because the mean of its divisors is an integer number (770663994).

Almost surely, 2^1541327987 is an apocalyptic number.

1541327987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541327987 is an equidigital number, since it uses as much as digits as its factorization.

1541327987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 1541327987 is about 39259.7502157107. The cubic root of 1541327987 is about 1155.1321942856.

The spelling of 1541327987 in words is "one billion, five hundred forty-one million, three hundred twenty-seven thousand, nine hundred eighty-seven".