1563425 has 12 divisors (see below), whose sum is σ = 2023680. Its totient is φ = 1195920.

The previous prime is 1563421. The next prime is 1563427. The reversal of 1563425 is 5243651.

It is not a de Polignac number, because 1563425 - 2² = 1563421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563394 and 1563403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 785 + ... + 1934.

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

2^1563425 is an apocalyptic number.

It is an amenable number.

1563425 is a deficient number, since it is larger than the sum of its proper divisors (460255).

1563425 is a wasteful number, since it uses less digits than its factorization.

1563425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2747 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1563425 is about 1250.3699452562. The cubic root of 1563425 is about 116.0626148281.

The spelling of 1563425 in words is "one million, five hundred sixty-three thousand, four hundred twenty-five".