4642521 has 8 divisors (see below), whose sum is σ = 6666240. Its totient is φ = 2856912.

The previous prime is 4642499. The next prime is 4642531. The reversal of 4642521 is 1252464.

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

It is not a de Polignac number, because 4642521 - 2⁵ = 4642489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4642491 and 4642500.

It is not an unprimeable number, because it can be changed into a prime (4642531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59481 + ... + 59558.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^4642521 is an apocalyptic number.

It is an amenable number.

4642521 is a deficient number, since it is larger than the sum of its proper divisors (2023719).

4642521 is a wasteful number, since it uses less digits than its factorization.

4642521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119055.

The product of its digits is 1920, while the sum is 24.

The square root of 4642521 is about 2154.6510158260. The cubic root of 4642521 is about 166.8212197469.

Adding to 4642521 its reverse (1252464), we get a palindrome (5894985).

The spelling of 4642521 in words is "four million, six hundred forty-two thousand, five hundred twenty-one".