42452497 has 2 divisors, whose sum is σ = 42452498. Its totient is φ = 42452496.

The previous prime is 42452489. The next prime is 42452537. The reversal of 42452497 is 79425424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34152336 + 8300161 = 5844^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452497 - 2³ = 42452489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42452437) 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, 21226248 + 21226249.

It is an arithmetic number, because the mean of its divisors is an integer number (21226249).

Almost surely, 2^42452497 is an apocalyptic number.

It is an amenable number.

42452497 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452497 is an equidigital number, since it uses as much as digits as its factorization.

42452497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 42452497 is about 6515.5580727978. The cubic root of 42452497 is about 348.8465347715.

The spelling of 42452497 in words is "forty-two million, four hundred fifty-two thousand, four hundred ninety-seven".