2151524125 has 16 divisors (see below), whose sum is σ = 2686844160. Its totient is φ = 1720102800.

The previous prime is 2151524087. The next prime is 2151524143. The reversal of 2151524125 is 5214251512.

It is not a de Polignac number, because 2151524125 - 2⁹ = 2151523613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151524093 and 2151524102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226216 + ... + 235534.

It is an arithmetic number, because the mean of its divisors is an integer number (167927760).

Almost surely, 2^2151524125 is an apocalyptic number.

2151524125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151524125 is a deficient number, since it is larger than the sum of its proper divisors (535320035).

2151524125 is an equidigital number, since it uses as much as digits as its factorization.

2151524125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11181 (or 11171 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2151524125 is about 46384.5246283715. The cubic root of 2151524125 is about 1290.9677902734.

Adding to 2151524125 its reverse (5214251512), we get a palindrome (7365775637).

The spelling of 2151524125 in words is "two billion, one hundred fifty-one million, five hundred twenty-four thousand, one hundred twenty-five".