365542987 has 2 divisors, whose sum is σ = 365542988. Its totient is φ = 365542986.

The previous prime is 365542973. The next prime is 365543021. The reversal of 365542987 is 789245563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 365542987 - 2¹¹ = 365540939 is a prime.

It is a super-3 number, since 3×365542987³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 365542987.

It is not a weakly prime, because it can be changed into another prime (365542967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182771493 + 182771494.

It is an arithmetic number, because the mean of its divisors is an integer number (182771494).

Almost surely, 2^365542987 is an apocalyptic number.

365542987 is a deficient number, since it is larger than the sum of its proper divisors (1).

365542987 is an equidigital number, since it uses as much as digits as its factorization.

365542987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The square root of 365542987 is about 19119.1785126872. The cubic root of 365542987 is about 715.0111573397.

The spelling of 365542987 in words is "three hundred sixty-five million, five hundred forty-two thousand, nine hundred eighty-seven".