2501687013 has 24 divisors (see below), whose sum is σ = 3915790560. Its totient is φ = 1416411360.

The previous prime is 2501687009. The next prime is 2501687039. The reversal of 2501687013 is 3107861052.

It is not a de Polignac number, because 2501687013 - 2² = 2501687009 is a prime.

It is a super-2 number, since 2×2501687013² = 12516875822025724338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501687213) 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 23 ways as a sum of consecutive naturals, for example, 62043 + ... + 94088.

It is an arithmetic number, because the mean of its divisors is an integer number (163157940).

Almost surely, 2^2501687013 is an apocalyptic number.

It is an amenable number.

2501687013 is a deficient number, since it is larger than the sum of its proper divisors (1414103547).

2501687013 is a wasteful number, since it uses less digits than its factorization.

2501687013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156257 (or 156250 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2501687013 is about 50016.8672849470. The cubic root of 2501687013 is about 1357.5140235079.

The spelling of 2501687013 in words is "two billion, five hundred one million, six hundred eighty-seven thousand, thirteen".