42252099 has 16 divisors (see below), whose sum is σ = 57970080. Its totient is φ = 27357440.

The previous prime is 42252071. The next prime is 42252109. The reversal of 42252099 is 99025224.

It is a cyclic number.

It is not a de Polignac number, because 42252099 - 2¹¹ = 42250051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42252019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32449 + ... + 33725.

It is an arithmetic number, because the mean of its divisors is an integer number (3623130).

Almost surely, 2^42252099 is an apocalyptic number.

42252099 is a deficient number, since it is larger than the sum of its proper divisors (15717981).

42252099 is a wasteful number, since it uses less digits than its factorization.

42252099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 42252099 is about 6500.1614595331. The cubic root of 42252099 is about 348.2967560523.

The spelling of 42252099 in words is "forty-two million, two hundred fifty-two thousand, ninety-nine".