4240025 has 12 divisors (see below), whose sum is σ = 5428224. Its totient is φ = 3282000.

The previous prime is 4240007. The next prime is 4240037. The reversal of 4240025 is 5200424.

It is a de Polignac number, because none of the positive numbers 2^k-4240025 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4239985 and 4240012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1961 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (452352).

Almost surely, 2^4240025 is an apocalyptic number.

It is an amenable number.

4240025 is a deficient number, since it is larger than the sum of its proper divisors (1188199).

4240025 is a wasteful number, since it uses less digits than its factorization.

4240025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5507 counting only the distinct ones).

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

The square root of 4240025 is about 2059.1320987251. The cubic root of 4240025 is about 161.8537647989.

Adding to 4240025 its reverse (5200424), we get a palindrome (9440449).

The spelling of 4240025 in words is "four million, two hundred forty thousand, twenty-five".