42052665 has 8 divisors (see below), whose sum is σ = 67284288. Its totient is φ = 22428080.

The previous prime is 42052657. The next prime is 42052687. The reversal of 42052665 is 56625024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42052665 - 2³ = 42052657 is a prime.

It is a super-3 number, since 3×42052665³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401741 + ... + 1401770.

It is an arithmetic number, because the mean of its divisors is an integer number (8410536).

Almost surely, 2^42052665 is an apocalyptic number.

It is an amenable number.

42052665 is a deficient number, since it is larger than the sum of its proper divisors (25231623).

42052665 is a wasteful number, since it uses less digits than its factorization.

42052665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803519.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 42052665 is about 6484.8026184303. The cubic root of 42052665 is about 347.7478934408.

Adding to 42052665 its reverse (56625024), we get a palindrome (98677689).

The spelling of 42052665 in words is "forty-two million, fifty-two thousand, six hundred sixty-five".