2500521015 has 32 divisors (see below), whose sum is σ = 4178221056. Its totient is φ = 1274577920.

The previous prime is 2500520987. The next prime is 2500521017. The reversal of 2500521015 is 5101250052.

2500521015 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2500521015 - 2⁵ = 2500520983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2500520982 and 2500521000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500521017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583330 + ... + 587600.

It is an arithmetic number, because the mean of its divisors is an integer number (130569408).

Almost surely, 2^2500521015 is an apocalyptic number.

2500521015 is a deficient number, since it is larger than the sum of its proper divisors (1677700041).

2500521015 is a wasteful number, since it uses less digits than its factorization.

2500521015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2500521015 is about 50005.2098785717. The cubic root of 2500521015 is about 1357.3030852348.

Adding to 2500521015 its reverse (5101250052), we get a palindrome (7601771067).

The spelling of 2500521015 in words is "two billion, five hundred million, five hundred twenty-one thousand, fifteen".