2125330405 has 32 divisors (see below), whose sum is σ = 2934167040. Its totient is φ = 1461602880.

The previous prime is 2125330399. The next prime is 2125330423. The reversal of 2125330405 is 5040335212.

It is not a de Polignac number, because 2125330405 - 2⁵ = 2125330373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2125330405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670354 + ... + 673516.

It is an arithmetic number, because the mean of its divisors is an integer number (91692720).

Almost surely, 2^2125330405 is an apocalyptic number.

It is an amenable number.

2125330405 is a deficient number, since it is larger than the sum of its proper divisors (808836635).

2125330405 is a wasteful number, since it uses less digits than its factorization.

2125330405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2125330405 is about 46101.3058925666. The cubic root of 2125330405 is about 1285.7074243696.

Adding to 2125330405 its reverse (5040335212), we get a palindrome (7165665617).

The spelling of 2125330405 in words is "two billion, one hundred twenty-five million, three hundred thirty thousand, four hundred five".