42601605 has 24 divisors (see below), whose sum is σ = 70020192. Its totient is φ = 22106112.

The previous prime is 42601577. The next prime is 42601621. The reversal of 42601605 is 50610624.

It is not a de Polignac number, because 42601605 - 2¹³ = 42593413 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 23 ways as a sum of consecutive naturals, for example, 165637 + ... + 165893.

It is an arithmetic number, because the mean of its divisors is an integer number (2917508).

Almost surely, 2^42601605 is an apocalyptic number.

It is an amenable number.

42601605 is a deficient number, since it is larger than the sum of its proper divisors (27418587).

42601605 is an equidigital number, since it uses as much as digits as its factorization.

42601605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42601605 is about 6526.9905009890. The cubic root of 42601605 is about 349.2544811595.

The spelling of 42601605 in words is "forty-two million, six hundred one thousand, six hundred five".