2150011525 has 6 divisors (see below), whose sum is σ = 2666014322. Its totient is φ = 1720009200.

The previous prime is 2150011459. The next prime is 2150011529. The reversal of 2150011525 is 5251100512.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 111218116 + 2038793409 = 10546^2 + 45153^2 .

It is not a de Polignac number, because 2150011525 - 2¹⁵ = 2149978757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2150011496 and 2150011505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150011529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43000206 + ... + 43000255.

Almost surely, 2^2150011525 is an apocalyptic number.

2150011525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150011525 is a deficient number, since it is larger than the sum of its proper divisors (516002797).

2150011525 is an equidigital number, since it uses as much as digits as its factorization.

2150011525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86000471 (or 86000466 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 2150011525 is about 46368.2167545831. The cubic root of 2150011525 is about 1290.6651868544.

The spelling of 2150011525 in words is "two billion, one hundred fifty million, eleven thousand, five hundred twenty-five".