2003325521625 has 24 divisors (see below), whose sum is σ = 3611328142344. Its totient is φ = 1068440277600.

The previous prime is 2003325521623. The next prime is 2003325521647. The reversal of 2003325521625 is 5261255233002.

2003325521625 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 3 + 2 + 5 + 5 + 21 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 547854589584 + 1455470932041 = 740172^2 + 1206429^2 .

It is not a de Polignac number, because 2003325521625 - 2¹ = 2003325521623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003325521625.

It is not an unprimeable number, because it can be changed into a prime (2003325521623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890365774 + ... + 890368023.

It is an arithmetic number, because the mean of its divisors is an integer number (150472005931).

Almost surely, 2^{2003325521625} is an apocalyptic number.

2003325521625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2003325521625 is a deficient number, since it is larger than the sum of its proper divisors (1608002620719).

2003325521625 is a wasteful number, since it uses less digits than its factorization.

2003325521625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780733818 (or 1780733805 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 2003325521625 in words is "two trillion, three billion, three hundred twenty-five million, five hundred twenty-one thousand, six hundred twenty-five".