2541525215 has 16 divisors (see below), whose sum is σ = 3211643520. Its totient is φ = 1925431200.

The previous prime is 2541525209. The next prime is 2541525221. The reversal of 2541525215 is 5125251452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2541525209) and next prime (2541525221).

It is not a de Polignac number, because 2541525215 - 2²⁰ = 2540476639 is a prime.

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, 362372 + ... + 369318.

It is an arithmetic number, because the mean of its divisors is an integer number (200727720).

Almost surely, 2^2541525215 is an apocalyptic number.

2541525215 is a deficient number, since it is larger than the sum of its proper divisors (670118305).

2541525215 is a wasteful number, since it uses less digits than its factorization.

2541525215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822.

The product of its digits is 20000, while the sum is 32.

The square root of 2541525215 is about 50413.5419803053. The cubic root of 2541525215 is about 1364.6820344688.

Adding to 2541525215 its reverse (5125251452), we get a palindrome (7666776667).

The spelling of 2541525215 in words is "two billion, five hundred forty-one million, five hundred twenty-five thousand, two hundred fifteen".