42660533 has 8 divisors (see below), whose sum is σ = 43613280. Its totient is φ = 41716080.

The previous prime is 42660521. The next prime is 42660539. The reversal of 42660533 is 33506624.

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 42660533 - 2²² = 38466229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42660496 and 42660505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42660539) 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, 8966 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (5451660).

Almost surely, 2^42660533 is an apocalyptic number.

It is an amenable number.

42660533 is a deficient number, since it is larger than the sum of its proper divisors (952747).

42660533 is a wasteful number, since it uses less digits than its factorization.

42660533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 42660533 is about 6531.5031194971. The cubic root of 42660533 is about 349.4154405565.

The spelling of 42660533 in words is "forty-two million, six hundred sixty thousand, five hundred thirty-three".