4635021 has 4 divisors (see below), whose sum is σ = 6180032. Its totient is φ = 3090012.

The previous prime is 4635017. The next prime is 4635023. The reversal of 4635021 is 1205364.

It is a happy number.

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 not a de Polignac number, because 4635021 - 2² = 4635017 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772501 + ... + 772506.

It is an arithmetic number, because the mean of its divisors is an integer number (1545008).

Almost surely, 2^4635021 is an apocalyptic number.

It is an amenable number.

4635021 is a deficient number, since it is larger than the sum of its proper divisors (1545011).

4635021 is a wasteful number, since it uses less digits than its factorization.

4635021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545010.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4635021 is about 2152.9098912867. The cubic root of 4635021 is about 166.7313380136.

The spelling of 4635021 in words is "four million, six hundred thirty-five thousand, twenty-one".