4921925 has 24 divisors (see below), whose sum is σ = 6658056. Its totient is φ = 3594240.

The previous prime is 4921921. The next prime is 4921949. The reversal of 4921925 is 5291294.

It can be written as a sum of positive squares in 12 ways, for example, as 1181569 + 3740356 = 1087^2 + 1934^2 .

It is not a de Polignac number, because 4921925 - 2² = 4921921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4921891 and 4921900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15569 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (277419).

Almost surely, 2^4921925 is an apocalyptic number.

It is an amenable number.

4921925 is a deficient number, since it is larger than the sum of its proper divisors (1736131).

4921925 is a wasteful number, since it uses less digits than its factorization.

4921925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 372 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 4921925 is about 2218.5411873571. The cubic root of 4921925 is about 170.1028789047.

The spelling of 4921925 in words is "four million, nine hundred twenty-one thousand, nine hundred twenty-five".