42265297 has 4 divisors (see below), whose sum is σ = 42315700. Its totient is φ = 42214896.

The previous prime is 42265273. The next prime is 42265309. The reversal of 42265297 is 79256224.

It is a happy number.

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 17673616 + 24591681 = 4204^2 + 4959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42265297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42265207) 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, 23922 + ... + 25627.

It is an arithmetic number, because the mean of its divisors is an integer number (10578925).

Almost surely, 2^42265297 is an apocalyptic number.

It is an amenable number.

42265297 is a deficient number, since it is larger than the sum of its proper divisors (50403).

42265297 is an equidigital number, since it uses as much as digits as its factorization.

42265297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50402.

The product of its digits is 60480, while the sum is 37.

The square root of 42265297 is about 6501.1765858189. The cubic root of 42265297 is about 348.3330173045. Note that the first 3 decimals are identical.

The spelling of 42265297 in words is "forty-two million, two hundred sixty-five thousand, two hundred ninety-seven".