42533061 has 4 divisors (see below), whose sum is σ = 56710752. Its totient is φ = 28355372.

The previous prime is 42533059. The next prime is 42533069. The reversal of 42533061 is 16033524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42533061 - 2¹ = 42533059 is a prime.

It is a super-2 number, since 2×42533061² = 3618122556059442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533069) 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, 7088841 + ... + 7088846.

It is an arithmetic number, because the mean of its divisors is an integer number (14177688).

Almost surely, 2^42533061 is an apocalyptic number.

It is an amenable number.

42533061 is a deficient number, since it is larger than the sum of its proper divisors (14177691).

42533061 is a wasteful number, since it uses less digits than its factorization.

42533061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14177690.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 42533061 is about 6521.7375752172. The cubic root of 42533061 is about 349.0670692085.

Adding to 42533061 its reverse (16033524), we get a palindrome (58566585).

The spelling of 42533061 in words is "forty-two million, five hundred thirty-three thousand, sixty-one".