4047425 has 12 divisors (see below), whose sum is σ = 5237760. Its totient is φ = 3096720.

The previous prime is 4047419. The next prime is 4047431. The reversal of 4047425 is 5247404.

It is an interprime number because it is at equal distance from previous prime (4047419) and next prime (4047431).

It is not a de Polignac number, because 4047425 - 2⁴ = 4047409 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4047394 and 4047403.

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, 2945 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (436480).

Almost surely, 2^4047425 is an apocalyptic number.

It is an amenable number.

4047425 is a deficient number, since it is larger than the sum of its proper divisors (1190335).

4047425 is a wasteful number, since it uses less digits than its factorization.

4047425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072 (or 7067 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 4047425 is about 2011.8213141330. The cubic root of 4047425 is about 159.3649961682.

The spelling of 4047425 in words is "four million, forty-seven thousand, four hundred twenty-five".