42259697 has 4 divisors (see below), whose sum is σ = 42854976. Its totient is φ = 41664420.

The previous prime is 42259681. The next prime is 42259703. The reversal of 42259697 is 79695224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42259697 - 2⁴ = 42259681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42259597) 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, 297533 + ... + 297674.

It is an arithmetic number, because the mean of its divisors is an integer number (10713744).

Almost surely, 2^42259697 is an apocalyptic number.

It is an amenable number.

42259697 is a deficient number, since it is larger than the sum of its proper divisors (595279).

42259697 is an equidigital number, since it uses as much as digits as its factorization.

42259697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595278.

The product of its digits is 272160, while the sum is 44.

The square root of 42259697 is about 6500.7458802817. The cubic root of 42259697 is about 348.3176323339.

The spelling of 42259697 in words is "forty-two million, two hundred fifty-nine thousand, six hundred ninety-seven".