42052505 has 8 divisors (see below), whose sum is σ = 55050624. Its totient is φ = 30583600.

The previous prime is 42052499. The next prime is 42052513. The reversal of 42052505 is 50525024.

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

It is not a de Polignac number, because 42052505 - 2¹⁶ = 41986969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382241 + ... + 382350.

It is an arithmetic number, because the mean of its divisors is an integer number (6881328).

Almost surely, 2^42052505 is an apocalyptic number.

It is an amenable number.

42052505 is a deficient number, since it is larger than the sum of its proper divisors (12998119).

42052505 is a wasteful number, since it uses less digits than its factorization.

42052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764607.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 42052505 is about 6484.7902818827. The cubic root of 42052505 is about 347.7474524086.

Adding to 42052505 its reverse (50525024), we get a palindrome (92577529).

It can be divided in two parts, 420 and 52505, that added together give a palindrome (52925).

The spelling of 42052505 in words is "forty-two million, fifty-two thousand, five hundred five".