42514521 has 8 divisors (see below), whose sum is σ = 64784064. Its totient is φ = 24294000.

The previous prime is 42514519. The next prime is 42514529. The reversal of 42514521 is 12541524.

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

It is not a de Polignac number, because 42514521 - 2¹ = 42514519 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42514491 and 42514500.

It is not an unprimeable number, because it can be changed into a prime (42514529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012230 + ... + 1012271.

It is an arithmetic number, because the mean of its divisors is an integer number (8098008).

Almost surely, 2^42514521 is an apocalyptic number.

It is an amenable number.

42514521 is a deficient number, since it is larger than the sum of its proper divisors (22269543).

42514521 is a wasteful number, since it uses less digits than its factorization.

42514521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024511.

The product of its digits is 1600, while the sum is 24.

The square root of 42514521 is about 6520.3160199487. The cubic root of 42514521 is about 349.0163428334.

The spelling of 42514521 in words is "forty-two million, five hundred fourteen thousand, five hundred twenty-one".