42952685 has 4 divisors (see below), whose sum is σ = 51543228. Its totient is φ = 34362144.

The previous prime is 42952681. The next prime is 42952691. The reversal of 42952685 is 58625924.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4338889 + 38613796 = 2083^2 + 6214^2 .

It is a cyclic number.

It is not a de Polignac number, because 42952685 - 2² = 42952681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42952681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295264 + ... + 4295273.

It is an arithmetic number, because the mean of its divisors is an integer number (12885807).

Almost surely, 2^42952685 is an apocalyptic number.

It is an amenable number.

42952685 is a deficient number, since it is larger than the sum of its proper divisors (8590543).

42952685 is an equidigital number, since it uses as much as digits as its factorization.

42952685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590542.

The product of its digits is 172800, while the sum is 41.

The square root of 42952685 is about 6553.8297963862. The cubic root of 42952685 is about 350.2112602127.

The spelling of 42952685 in words is "forty-two million, nine hundred fifty-two thousand, six hundred eighty-five".