1564125 has 32 divisors (see below), whose sum is σ = 2690688. Its totient is φ = 806400.

The previous prime is 1564117. The next prime is 1564139. The reversal of 1564125 is 5214651.

It is not a de Polignac number, because 1564125 - 2³ = 1564117 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1564095 and 1564104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16077 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (84084).

2^1564125 is an apocalyptic number.

1564125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1564125 is a deficient number, since it is larger than the sum of its proper divisors (1126563).

1564125 is an equidigital number, since it uses as much as digits as its factorization.

1564125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 148 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1564125 is about 1250.6498310878. The cubic root of 1564125 is about 116.0799340062.

Adding to 1564125 its reverse (5214651), we get a palindrome (6778776).

The spelling of 1564125 in words is "one million, five hundred sixty-four thousand, one hundred twenty-five".