1725265444 has 48 divisors (see below), whose sum is σ = 3567456256. Its totient is φ = 714420000.

The previous prime is 1725265439. The next prime is 1725265447. The reversal of 1725265444 is 4445625271.

1725265444 = 5523² + 5524² + ... + 5578².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1725265397 and 1725265406.

It is not an unprimeable number, because it can be changed into a prime (1725265447) 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, 765319 + ... + 767569.

Almost surely, 2^1725265444 is an apocalyptic number.

1725265444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1725265444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783728128).

1725265444 is an abundant number, since it is smaller than the sum of its proper divisors (1842190812).

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

1725265444 is a wasteful number, since it uses less digits than its factorization.

1725265444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176 (or 3174 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 1725265444 is about 41536.3147619044. The cubic root of 1725265444 is about 1199.3666667255.

The spelling of 1725265444 in words is "one billion, seven hundred twenty-five million, two hundred sixty-five thousand, four hundred forty-four".