2126522425 has 12 divisors (see below), whose sum is σ = 2648719360. Its totient is φ = 1693584720.

The previous prime is 2126522393. The next prime is 2126522429. The reversal of 2126522425 is 5242256212.

It is not a de Polignac number, because 2126522425 - 2⁵ = 2126522393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2126522429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185145 + ... + 196294.

Almost surely, 2^2126522425 is an apocalyptic number.

2126522425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2126522425 is a deficient number, since it is larger than the sum of its proper divisors (522196935).

2126522425 is a wasteful number, since it uses less digits than its factorization.

2126522425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381672 (or 381667 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2126522425 is about 46114.2323475085. The cubic root of 2126522425 is about 1285.9477481839.

Adding to 2126522425 its reverse (5242256212), we get a palindrome (7368778637).

The spelling of 2126522425 in words is "two billion, one hundred twenty-six million, five hundred twenty-two thousand, four hundred twenty-five".