2541520363 has 4 divisors (see below), whose sum is σ = 2541655648. Its totient is φ = 2541385080.

The previous prime is 2541520361. The next prime is 2541520367. The reversal of 2541520363 is 3630251452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2541520363 - 2¹ = 2541520361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541520361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33828 + ... + 78913.

It is an arithmetic number, because the mean of its divisors is an integer number (635413912).

Almost surely, 2^2541520363 is an apocalyptic number.

2541520363 is a deficient number, since it is larger than the sum of its proper divisors (135285).

2541520363 is a wasteful number, since it uses less digits than its factorization.

2541520363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135284.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2541520363 is about 50413.4938582916. The cubic root of 2541520363 is about 1364.6811660347.

The spelling of 2541520363 in words is "two billion, five hundred forty-one million, five hundred twenty thousand, three hundred sixty-three".