42452297 has 4 divisors (see below), whose sum is σ = 42697860. Its totient is φ = 42206736.

The previous prime is 42452269. The next prime is 42452303. The reversal of 42452297 is 79225424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36711481 + 5740816 = 6059^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452297 - 2⁸ = 42452041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42452257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122522 + ... + 122867.

It is an arithmetic number, because the mean of its divisors is an integer number (10674465).

Almost surely, 2^42452297 is an apocalyptic number.

It is an amenable number.

42452297 is a deficient number, since it is larger than the sum of its proper divisors (245563).

42452297 is a wasteful number, since it uses less digits than its factorization.

42452297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245562.

The product of its digits is 40320, while the sum is 35.

The square root of 42452297 is about 6515.5427249002. The cubic root of 42452297 is about 348.8459869481.

The spelling of 42452297 in words is "forty-two million, four hundred fifty-two thousand, two hundred ninety-seven".