342481787 has 2 divisors, whose sum is σ = 342481788. Its totient is φ = 342481786.

The previous prime is 342481771. The next prime is 342481817. The reversal of 342481787 is 787184243.

It is a weak prime.

It is an emirp because it is prime and its reverse (787184243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342481787 - 2⁴ = 342481771 is a prime.

It is not a weakly prime, because it can be changed into another prime (342481717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171240893 + 171240894.

It is an arithmetic number, because the mean of its divisors is an integer number (171240894).

Almost surely, 2^342481787 is an apocalyptic number.

342481787 is a deficient number, since it is larger than the sum of its proper divisors (1).

342481787 is an equidigital number, since it uses as much as digits as its factorization.

342481787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056, while the sum is 44.

The square root of 342481787 is about 18506.2634532204. The cubic root of 342481787 is about 699.6472964655.

The spelling of 342481787 in words is "three hundred forty-two million, four hundred eighty-one thousand, seven hundred eighty-seven".