42052511 has 8 divisors (see below), whose sum is σ = 43291248. Its totient is φ = 40824000.

The previous prime is 42052499. The next prime is 42052513. The reversal of 42052511 is 11525024.

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

It is a cyclic number.

It is not a de Polignac number, because 42052511 - 2⁶ = 42052447 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 (42052513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6221 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (5411406).

Almost surely, 2^42052511 is an apocalyptic number.

42052511 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42052511 is a deficient number, since it is larger than the sum of its proper divisors (1238737).

42052511 is a wasteful number, since it uses less digits than its factorization.

42052511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 42052511 is about 6484.7907445036. The cubic root of 42052511 is about 347.7474689474.

Adding to 42052511 its reverse (11525024), we get a palindrome (53577535).

The spelling of 42052511 in words is "forty-two million, fifty-two thousand, five hundred eleven".