2521087547 has 4 divisors (see below), whose sum is σ = 2750277336. Its totient is φ = 2291897760.

The previous prime is 2521087529. The next prime is 2521087577. The reversal of 2521087547 is 7457801252.

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 2521087547 - 2¹⁰ = 2521086523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521087577) 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 3 ways as a sum of consecutive naturals, for example, 114594878 + ... + 114594899.

It is an arithmetic number, because the mean of its divisors is an integer number (687569334).

Almost surely, 2^2521087547 is an apocalyptic number.

2521087547 is a deficient number, since it is larger than the sum of its proper divisors (229189789).

2521087547 is a wasteful number, since it uses less digits than its factorization.

2521087547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229189788.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 2521087547 is about 50210.4326509940. The cubic root of 2521087547 is about 1361.0141561464.

Adding to 2521087547 its reverse (7457801252), we get a palindrome (9978888799).

The spelling of 2521087547 in words is "two billion, five hundred twenty-one million, eighty-seven thousand, five hundred forty-seven".