4755021 has 4 divisors (see below), whose sum is σ = 6340032. Its totient is φ = 3170012.

The previous prime is 4755017. The next prime is 4755031. The reversal of 4755021 is 1205574.

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 4755021 - 2² = 4755017 is a prime.

It is a super-2 number, since 2×4755021² = 45220449420882, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4754982 and 4755000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4755031) 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, 792501 + ... + 792506.

It is an arithmetic number, because the mean of its divisors is an integer number (1585008).

Almost surely, 2^4755021 is an apocalyptic number.

It is an amenable number.

4755021 is a deficient number, since it is larger than the sum of its proper divisors (1585011).

4755021 is a wasteful number, since it uses less digits than its factorization.

4755021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585010.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 4755021 is about 2180.6010639271. The cubic root of 4755021 is about 168.1579792317.

The spelling of 4755021 in words is "four million, seven hundred fifty-five thousand, twenty-one".