2532221525 has 24 divisors (see below), whose sum is σ = 3178606080. Its totient is φ = 2000946240.

The previous prime is 2532221521. The next prime is 2532221537. The reversal of 2532221525 is 5251222352.

It is not a de Polignac number, because 2532221525 - 2² = 2532221521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532221521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1232399 + ... + 1234451.

It is an arithmetic number, because the mean of its divisors is an integer number (132441920).

Almost surely, 2^2532221525 is an apocalyptic number.

2532221525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2532221525 is a deficient number, since it is larger than the sum of its proper divisors (646384555).

2532221525 is a wasteful number, since it uses less digits than its factorization.

2532221525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2640 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 2532221525 is about 50321.1836605619. The cubic root of 2532221525 is about 1363.0147806512.

Adding to 2532221525 its reverse (5251222352), we get a palindrome (7783443877).

The spelling of 2532221525 in words is "two billion, five hundred thirty-two million, two hundred twenty-one thousand, five hundred twenty-five".