1563250125 has 16 divisors (see below), whose sum is σ = 2601248832. Its totient is φ = 833733200.

The previous prime is 1563250123. The next prime is 1563250141. The reversal of 1563250125 is 5210523651.

It is a happy number.

It is not a de Polignac number, because 1563250125 - 2¹ = 1563250123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563250092 and 1563250101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563250123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2083959 + ... + 2084708.

It is an arithmetic number, because the mean of its divisors is an integer number (162578052).

Almost surely, 2^1563250125 is an apocalyptic number.

1563250125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1563250125 is a deficient number, since it is larger than the sum of its proper divisors (1037998707).

1563250125 is an equidigital number, since it uses as much as digits as its factorization.

1563250125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168685 (or 4168675 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1563250125 is about 39537.9580276979. The cubic root of 1563250125 is about 1160.5828731923.

Adding to 1563250125 its reverse (5210523651), we get a palindrome (6773773776).

The spelling of 1563250125 in words is "one billion, five hundred sixty-three million, two hundred fifty thousand, one hundred twenty-five".