2123260525 has 36 divisors (see below), whose sum is σ = 2841623680. Its totient is φ = 1572040800.

The previous prime is 2123260519. The next prime is 2123260537. The reversal of 2123260525 is 5250623212.

It is not a de Polignac number, because 2123260525 - 2⁷ = 2123260397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123260493 and 2123260502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 407386 + ... + 412564.

Almost surely, 2^2123260525 is an apocalyptic number.

2123260525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123260525 is a deficient number, since it is larger than the sum of its proper divisors (718363155).

2123260525 is a wasteful number, since it uses less digits than its factorization.

2123260525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2123260525 is about 46078.8511684048. The cubic root of 2123260525 is about 1285.2899011322.

Adding to 2123260525 its reverse (5250623212), we get a palindrome (7373883737).

The spelling of 2123260525 in words is "two billion, one hundred twenty-three million, two hundred sixty thousand, five hundred twenty-five".