2213257525 has 12 divisors (see below), whose sum is σ = 2839076100. Its totient is φ = 1709550080.

The previous prime is 2213257517. The next prime is 2213257537. The reversal of 2213257525 is 5257523122.

2213257525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 98545329 + 2114712196 = 9927^2 + 45986^2 .

It is not a de Polignac number, because 2213257525 - 2³ = 2213257517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1525660 + ... + 1527109.

It is an arithmetic number, because the mean of its divisors is an integer number (236589675).

Almost surely, 2^2213257525 is an apocalyptic number.

2213257525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2213257525 is a deficient number, since it is larger than the sum of its proper divisors (625818575).

2213257525 is a wasteful number, since it uses less digits than its factorization.

2213257525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052808 (or 3052803 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 2213257525 is about 47045.2710163306. The cubic root of 2213257525 is about 1303.1987352726.

The spelling of 2213257525 in words is "two billion, two hundred thirteen million, two hundred fifty-seven thousand, five hundred twenty-five".