2150525 has 18 divisors (see below), whose sum is σ = 2893230. Its totient is φ = 1584960.

The previous prime is 2150513. The next prime is 2150527. The reversal of 2150525 is 5250512.

2150525 = 275² + 276² + ... + 300².

It can be written as a sum of positive squares in 9 ways, for example, as 1012036 + 1138489 = 1006^2 + 1067^2 .

It is not a de Polignac number, because 2150525 - 2⁴ = 2150509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2150497 and 2150506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3971 + ... + 4479.

It is an arithmetic number, because the mean of its divisors is an integer number (160735).

2^2150525 is an apocalyptic number.

2150525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150525 is a deficient number, since it is larger than the sum of its proper divisors (742705).

2150525 is a wasteful number, since it uses less digits than its factorization.

2150525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2150525 is about 1466.4668424482. The cubic root of 2150525 is about 129.0767926080.

The spelling of 2150525 in words is "two million, one hundred fifty thousand, five hundred twenty-five".