1343541487 has 2 divisors, whose sum is σ = 1343541488. Its totient is φ = 1343541486.

The previous prime is 1343541469. The next prime is 1343541533. The reversal of 1343541487 is 7841453431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343541487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343541187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671770743 + 671770744.

It is an arithmetic number, because the mean of its divisors is an integer number (671770744).

Almost surely, 2^1343541487 is an apocalyptic number.

1343541487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343541487 is an equidigital number, since it uses as much as digits as its factorization.

1343541487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 1343541487 is about 36654.3515424840. The cubic root of 1343541487 is about 1103.4441599887. Note that the first 3 decimals are identical.

The spelling of 1343541487 in words is "one billion, three hundred forty-three million, five hundred forty-one thousand, four hundred eighty-seven".