387140543 has 2 divisors, whose sum is σ = 387140544. Its totient is φ = 387140542.

The previous prime is 387140521. The next prime is 387140549. The reversal of 387140543 is 345041783.

It is a strong prime.

It is an emirp because it is prime and its reverse (345041783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387140543 - 2²⁴ = 370363327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387140549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193570271 + 193570272.

It is an arithmetic number, because the mean of its divisors is an integer number (193570272).

Almost surely, 2^387140543 is an apocalyptic number.

387140543 is a deficient number, since it is larger than the sum of its proper divisors (1).

387140543 is an equidigital number, since it uses as much as digits as its factorization.

387140543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 387140543 is about 19675.8873497487. The cubic root of 387140543 is about 728.8243684274.

The spelling of 387140543 in words is "three hundred eighty-seven million, one hundred forty thousand, five hundred forty-three".