1625104 has 30 divisors (see below), whose sum is σ = 3415146. Its totient is φ = 748800.

The previous prime is 1625059. The next prime is 1625123. The reversal of 1625104 is 4015261.

1625104 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 3 ways, for example, as 57600 + 1567504 = 240^2 + 1252^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2404 + ... + 3004.

2^1625104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707573).

1625104 is an abundant number, since it is smaller than the sum of its proper divisors (1790042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625104 is a wasteful number, since it uses less digits than its factorization.

1625104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1625104 is about 1274.7956699017. The cubic root of 1625104 is about 117.5692424229.

The spelling of 1625104 in words is "one million, six hundred twenty-five thousand, one hundred four".