4247925 has 48 divisors (see below), whose sum is σ = 8094720. Its totient is φ = 1944000.

The previous prime is 4247923. The next prime is 4247981. The reversal of 4247925 is 5297424.

It is not a de Polignac number, because 4247925 - 2¹ = 4247923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁷ + 4⁸ + 7 + 9 + 2²¹ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15540 + ... + 15810.

It is an arithmetic number, because the mean of its divisors is an integer number (168640).

Almost surely, 2^4247925 is an apocalyptic number.

It is an amenable number.

4247925 is a deficient number, since it is larger than the sum of its proper divisors (3846795).

4247925 is a wasteful number, since it uses less digits than its factorization.

4247925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 309 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 4247925 is about 2061.0494899444. The cubic root of 4247925 is about 161.9542242255.

The spelling of 4247925 in words is "four million, two hundred forty-seven thousand, nine hundred twenty-five".