42453017 has 2 divisors, whose sum is σ = 42453018. Its totient is φ = 42453016.

The previous prime is 42453001. The next prime is 42453107. The reversal of 42453017 is 71035424.

Together with next prime (42453107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 13980121 = 5336^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 42453017 - 2⁴ = 42453001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42453517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21226508 + 21226509.

It is an arithmetic number, because the mean of its divisors is an integer number (21226509).

Almost surely, 2^42453017 is an apocalyptic number.

It is an amenable number.

42453017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42453017 is an equidigital number, since it uses as much as digits as its factorization.

42453017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42453017 is about 6515.5979771622. The cubic root of 42453017 is about 348.8479591044.

The spelling of 42453017 in words is "forty-two million, four hundred fifty-three thousand, seventeen".