4925021 has 4 divisors (see below), whose sum is σ = 4930272. Its totient is φ = 4919772.

The previous prime is 4925017. The next prime is 4925023. The reversal of 4925021 is 1205294.

4925021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1205294 = 2 ⋅602647.

It is a cyclic number.

It is not a de Polignac number, because 4925021 - 2² = 4925017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4925023) 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, 791 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (1232568).

Almost surely, 2^4925021 is an apocalyptic number.

It is an amenable number.

4925021 is a deficient number, since it is larger than the sum of its proper divisors (5251).

4925021 is a wasteful number, since it uses less digits than its factorization.

4925021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4925021 is about 2219.2388334742. The cubic root of 4925021 is about 170.1385375903.

The spelling of 4925021 in words is "four million, nine hundred twenty-five thousand, twenty-one".