2251532125 has 16 divisors (see below), whose sum is σ = 2818825776. Its totient is φ = 1795512000.

The previous prime is 2251532111. The next prime is 2251532141. The reversal of 2251532125 is 5212351522.

It can be written as a sum of positive squares in 8 ways, for example, as 1473177924 + 778354201 = 38382^2 + 27899^2 .

It is not a de Polignac number, because 2251532125 - 2⁵ = 2251532093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251532093 and 2251532102.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11215 + ... + 68035.

It is an arithmetic number, because the mean of its divisors is an integer number (176176611).

Almost surely, 2^2251532125 is an apocalyptic number.

2251532125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251532125 is a deficient number, since it is larger than the sum of its proper divisors (567293651).

2251532125 is an equidigital number, since it uses as much as digits as its factorization.

2251532125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57153 (or 57143 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 2251532125 is about 47450.3121696791. The cubic root of 2251532125 is about 1310.6680595010.

Adding to 2251532125 its reverse (5212351522), we get a palindrome (7463883647).

The spelling of 2251532125 in words is "two billion, two hundred fifty-one million, five hundred thirty-two thousand, one hundred twenty-five".