376240561 has 2 divisors, whose sum is σ = 376240562. Its totient is φ = 376240560.

The previous prime is 376240541. The next prime is 376240567. The reversal of 376240561 is 165042673.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351787536 + 24453025 = 18756^2 + 4945^2 .

It is an emirp because it is prime and its reverse (165042673) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376240561 is a prime.

It is not a weakly prime, because it can be changed into another prime (376240567) 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, 188120280 + 188120281.

It is an arithmetic number, because the mean of its divisors is an integer number (188120281).

Almost surely, 2^376240561 is an apocalyptic number.

It is an amenable number.

376240561 is a deficient number, since it is larger than the sum of its proper divisors (1).

376240561 is an equidigital number, since it uses as much as digits as its factorization.

376240561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 376240561 is about 19396.9214309900. The cubic root of 376240561 is about 721.9191092429.

The spelling of 376240561 in words is "three hundred seventy-six million, two hundred forty thousand, five hundred sixty-one".