42052605 has 64 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 17950464.

The previous prime is 42052597. The next prime is 42052613. The reversal of 42052605 is 50625024.

It is an interprime number because it is at equal distance from previous prime (42052597) and next prime (42052613).

It is not a de Polignac number, because 42052605 - 2³ = 42052597 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213367 + ... + 213563.

It is an arithmetic number, because the mean of its divisors is an integer number (1283040).

Almost surely, 2^42052605 is an apocalyptic number.

It is an amenable number.

42052605 is a deficient number, since it is larger than the sum of its proper divisors (40061955).

42052605 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (42052604) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (338).

42052605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42052605 is about 6484.7979922277. The cubic root of 42052605 is about 347.7477280539.

Adding to 42052605 its reverse (50625024), we get a palindrome (92677629).

The spelling of 42052605 in words is "forty-two million, fifty-two thousand, six hundred five".