2091522125 has 96 divisors (see below), whose sum is σ = 3405991680. Its totient is φ = 1267056000.

The previous prime is 2091522101. The next prime is 2091522133. The reversal of 2091522125 is 5212251902.

It is not a de Polignac number, because 2091522125 - 2⁶ = 2091522061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2492456 + ... + 2493294.

It is an arithmetic number, because the mean of its divisors is an integer number (35479080).

Almost surely, 2^2091522125 is an apocalyptic number.

2091522125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2091522125 is a deficient number, since it is larger than the sum of its proper divisors (1314469555).

2091522125 is a wasteful number, since it uses less digits than its factorization.

2091522125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2091522125 is about 45733.1622020608. The cubic root of 2091522125 is about 1278.8535725118.

The spelling of 2091522125 in words is "two billion, ninety-one million, five hundred twenty-two thousand, one hundred twenty-five".