42466521 has 8 divisors (see below), whose sum is σ = 57826944. Its totient is φ = 27708560.

The previous prime is 42466519. The next prime is 42466537. The reversal of 42466521 is 12566424.

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 42466521 - 2¹ = 42466519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42466511) 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, 150450 + ... + 150731.

It is an arithmetic number, because the mean of its divisors is an integer number (7228368).

Almost surely, 2^42466521 is an apocalyptic number.

It is an amenable number.

42466521 is a deficient number, since it is larger than the sum of its proper divisors (15360423).

42466521 is a wasteful number, since it uses less digits than its factorization.

42466521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301231.

The product of its digits is 11520, while the sum is 30.

The square root of 42466521 is about 6516.6341772421. The cubic root of 42466521 is about 348.8849438604.

The spelling of 42466521 in words is "forty-two million, four hundred sixty-six thousand, five hundred twenty-one".