2051500125 has 32 divisors (see below), whose sum is σ = 3419769600. Its totient is φ = 1092187200.

The previous prime is 2051500123. The next prime is 2051500141. The reversal of 2051500125 is 5210051502.

It is not a de Polignac number, because 2051500125 - 2¹ = 2051500123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051500123) 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 31 ways as a sum of consecutive naturals, for example, 220059 + ... + 229191.

It is an arithmetic number, because the mean of its divisors is an integer number (106867800).

Almost surely, 2^2051500125 is an apocalyptic number.

2051500125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051500125 is a deficient number, since it is larger than the sum of its proper divisors (1368269475).

2051500125 is an equidigital number, since it uses as much as digits as its factorization.

2051500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9750 (or 9740 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2051500125 is about 45293.4887704624. The cubic root of 2051500125 is about 1270.6438806239.

Adding to 2051500125 its reverse (5210051502), we get a palindrome (7261551627).

The spelling of 2051500125 in words is "two billion, fifty-one million, five hundred thousand, one hundred twenty-five".