4875621 has 4 divisors (see below), whose sum is σ = 6500832. Its totient is φ = 3250412.

The previous prime is 4875613. The next prime is 4875623. The reversal of 4875621 is 1265784.

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 4875621 - 2³ = 4875613 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4875623) 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, 812601 + ... + 812606.

It is an arithmetic number, because the mean of its divisors is an integer number (1625208).

Almost surely, 2^4875621 is an apocalyptic number.

It is an amenable number.

4875621 is a deficient number, since it is larger than the sum of its proper divisors (1625211).

4875621 is a wasteful number, since it uses less digits than its factorization.

4875621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625210.

The product of its digits is 13440, while the sum is 33.

The square root of 4875621 is about 2208.0808409114. The cubic root of 4875621 is about 169.5677716478.

The spelling of 4875621 in words is "four million, eight hundred seventy-five thousand, six hundred twenty-one".