4251825 has 24 divisors (see below), whose sum is σ = 7812000. Its totient is φ = 2267280.

The previous prime is 4251817. The next prime is 4251829. The reversal of 4251825 is 5281524.

It is a happy number.

It is not a de Polignac number, because 4251825 - 2³ = 4251817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4251829) 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, 2475 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (325500).

Almost surely, 2^4251825 is an apocalyptic number.

4251825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4251825 is a deficient number, since it is larger than the sum of its proper divisors (3560175).

4251825 is a wasteful number, since it uses less digits than its factorization.

4251825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318 (or 6307 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4251825 is about 2061.9953928174. The cubic root of 4251825 is about 162.0037722030.

The spelling of 4251825 in words is "four million, two hundred fifty-one thousand, eight hundred twenty-five".