2501017515 has 12 divisors (see below), whose sum is σ = 4335097104. Its totient is φ = 1333875984.

The previous prime is 2501017513. The next prime is 2501017523. The reversal of 2501017515 is 5157101052.

It is not a de Polignac number, because 2501017515 - 2¹ = 2501017513 is a prime.

It is a super-2 number, since 2×2501017515² = 12510177220673550450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2501017511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27789039 + ... + 27789128.

It is an arithmetic number, because the mean of its divisors is an integer number (361258092).

Almost surely, 2^2501017515 is an apocalyptic number.

2501017515 is a deficient number, since it is larger than the sum of its proper divisors (1834079589).

2501017515 is a wasteful number, since it uses less digits than its factorization.

2501017515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55578178 (or 55578175 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 2501017515 is about 50010.1741148739. The cubic root of 2501017515 is about 1357.3929140317.

Adding to 2501017515 its reverse (5157101052), we get a palindrome (7658118567).

The spelling of 2501017515 in words is "two billion, five hundred one million, seventeen thousand, five hundred fifteen".