42014521 has 4 divisors (see below), whose sum is σ = 42345472. Its totient is φ = 41683572.

The previous prime is 42014519. The next prime is 42014587. The reversal of 42014521 is 12541024.

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 42014521 - 2¹ = 42014519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42014821) 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 3 ways as a sum of consecutive naturals, for example, 165285 + ... + 165538.

It is an arithmetic number, because the mean of its divisors is an integer number (10586368).

Almost surely, 2^42014521 is an apocalyptic number.

It is an amenable number.

42014521 is a deficient number, since it is larger than the sum of its proper divisors (330951).

42014521 is a wasteful number, since it uses less digits than its factorization.

42014521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330950.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42014521 is about 6481.8609210627. The cubic root of 42014521 is about 347.6427197005.

Adding to 42014521 its reverse (12541024), we get a palindrome (54555545).

It can be divided in two parts, 420 and 14521, that added together give a palindrome (14941).

The spelling of 42014521 in words is "forty-two million, fourteen thousand, five hundred twenty-one".