1325725044 has 96 divisors (see below), whose sum is σ = 3711590400. Its totient is φ = 360305280.

The previous prime is 1325725039. The next prime is 1325725067. The reversal of 1325725044 is 4405275231.

It is a super-3 number, since 3×1325725044³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1325724996 and 1325725014.

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, 149322 + ... + 157950.

It is an arithmetic number, because the mean of its divisors is an integer number (38662400).

Almost surely, 2^1325725044 is an apocalyptic number.

1325725044 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 1325725044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855795200).

1325725044 is an abundant number, since it is smaller than the sum of its proper divisors (2385865356).

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

1325725044 is a wasteful number, since it uses less digits than its factorization.

1325725044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733 (or 8731 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1325725044 is about 36410.5073296157. The cubic root of 1325725044 is about 1098.5449201464.

The spelling of 1325725044 in words is "one billion, three hundred twenty-five million, seven hundred twenty-five thousand, forty-four".