42365247 has 4 divisors (see below), whose sum is σ = 56487000. Its totient is φ = 28243496.

The previous prime is 42365243. The next prime is 42365261. The reversal of 42365247 is 74256324.

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

It is a cyclic number.

It is not a de Polignac number, because 42365247 - 2² = 42365243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42365243) 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, 7060872 + ... + 7060877.

It is an arithmetic number, because the mean of its divisors is an integer number (14121750).

Almost surely, 2^42365247 is an apocalyptic number.

42365247 is a deficient number, since it is larger than the sum of its proper divisors (14121753).

42365247 is a wasteful number, since it uses less digits than its factorization.

42365247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121752.

The product of its digits is 40320, while the sum is 33.

The square root of 42365247 is about 6508.8591166194. The cubic root of 42365247 is about 348.6073832663.

The spelling of 42365247 in words is "forty-two million, three hundred sixty-five thousand, two hundred forty-seven".