42516207 has 24 divisors (see below), whose sum is σ = 63906128. Its totient is φ = 27216000.

The previous prime is 42516203. The next prime is 42516211. The reversal of 42516207 is 70261524.

It is an interprime number because it is at equal distance from previous prime (42516203) and next prime (42516211).

It is not a de Polignac number, because 42516207 - 2² = 42516203 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22707 + ... + 24507.

Almost surely, 2^42516207 is an apocalyptic number.

42516207 is a deficient number, since it is larger than the sum of its proper divisors (21389921).

42516207 is a wasteful number, since it uses less digits than its factorization.

42516207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42516207 is about 6520.4453068790. The cubic root of 42516207 is about 349.0209564239.

The spelling of 42516207 in words is "forty-two million, five hundred sixteen thousand, two hundred seven".