240475451 has 2 divisors, whose sum is σ = 240475452. Its totient is φ = 240475450.

The previous prime is 240475429. The next prime is 240475493. The reversal of 240475451 is 154574042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240475451 - 2¹⁰ = 240474427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (240475751) 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, 120237725 + 120237726.

It is an arithmetic number, because the mean of its divisors is an integer number (120237726).

Almost surely, 2^240475451 is an apocalyptic number.

240475451 is a deficient number, since it is larger than the sum of its proper divisors (1).

240475451 is an equidigital number, since it uses as much as digits as its factorization.

240475451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 240475451 is about 15507.2709075453. The cubic root of 240475451 is about 621.8566018344.

The spelling of 240475451 in words is "two hundred forty million, four hundred seventy-five thousand, four hundred fifty-one".