4200425 has 24 divisors (see below), whose sum is σ = 5654400. Its totient is φ = 3084480.

The previous prime is 4200419. The next prime is 4200433. The reversal of 4200425 is 5240024.

It is not a de Polignac number, because 4200425 - 2¹⁸ = 3938281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17456 + ... + 17694.

It is an arithmetic number, because the mean of its divisors is an integer number (235600).

Almost surely, 2^4200425 is an apocalyptic number.

It is an amenable number.

4200425 is a deficient number, since it is larger than the sum of its proper divisors (1453975).

4200425 is a wasteful number, since it uses less digits than its factorization.

4200425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4200425 is about 2049.4938399517. The cubic root of 4200425 is about 161.3483065393.

Multiplying 4200425 by its sum of digits (17), we get a triangular number (71407225 = T₁₁₉₅₀).

Adding to 4200425 its reverse (5240024), we get a palindrome (9440449).

The spelling of 4200425 in words is "four million, two hundred thousand, four hundred twenty-five".