42852257 has 16 divisors (see below), whose sum is σ = 53125632. Its totient is φ = 33722880.

The previous prime is 42852217. The next prime is 42852281. The reversal of 42852257 is 75225824.

It is a cyclic number.

It is not a de Polignac number, because 42852257 - 2⁶ = 42852193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42852217) 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, 488 + ... + 9270.

It is an arithmetic number, because the mean of its divisors is an integer number (3320352).

Almost surely, 2^42852257 is an apocalyptic number.

It is an amenable number.

42852257 is a deficient number, since it is larger than the sum of its proper divisors (10273375).

42852257 is a wasteful number, since it uses less digits than its factorization.

42852257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848.

The product of its digits is 44800, while the sum is 35.

The square root of 42852257 is about 6546.1635329405. The cubic root of 42852257 is about 349.9381033401.

The spelling of 42852257 in words is "forty-two million, eight hundred fifty-two thousand, two hundred fifty-seven".