852042499 has 16 divisors (see below), whose sum is σ = 1124775936. Its totient is φ = 624873600.

The previous prime is 852042497. The next prime is 852042509. The reversal of 852042499 is 994240258.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 852042499 - 2¹ = 852042497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852042491) 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, 324147 + ... + 326764.

It is an arithmetic number, because the mean of its divisors is an integer number (70298496).

Almost surely, 2^852042499 is an apocalyptic number.

852042499 is a deficient number, since it is larger than the sum of its proper divisors (272733437).

852042499 is a wasteful number, since it uses less digits than its factorization.

852042499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650946.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 852042499 is about 29189.7670254492. The cubic root of 852042499 is about 948.0263731706.

The spelling of 852042499 in words is "eight hundred fifty-two million, forty-two thousand, four hundred ninety-nine".