42652231 has 4 divisors (see below), whose sum is σ = 43805032. Its totient is φ = 41499432.

The previous prime is 42652223. The next prime is 42652277. The reversal of 42652231 is 13225624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42652231 - 2³ = 42652223 is a prime.

It is a super-3 number, since 3×42652231³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42652196 and 42652205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42652331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576345 + ... + 576418.

It is an arithmetic number, because the mean of its divisors is an integer number (10951258).

Almost surely, 2^42652231 is an apocalyptic number.

42652231 is a deficient number, since it is larger than the sum of its proper divisors (1152801).

42652231 is a wasteful number, since it uses less digits than its factorization.

42652231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152800.

The product of its digits is 2880, while the sum is 25.

The square root of 42652231 is about 6530.8675533959. The cubic root of 42652231 is about 349.3927729605.

Adding to 42652231 its reverse (13225624), we get a palindrome (55877855).

The spelling of 42652231 in words is "forty-two million, six hundred fifty-two thousand, two hundred thirty-one".