2513387105 has 4 divisors (see below), whose sum is σ = 3016064532. Its totient is φ = 2010709680.

The previous prime is 2513387081. The next prime is 2513387111. The reversal of 2513387105 is 5017833152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1600320016 + 913067089 = 40004^2 + 30217^2 .

It is not a de Polignac number, because 2513387105 - 2⁸ = 2513386849 is a prime.

It is a super-2 number, since 2×2513387105² = 12634229479160562050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251338706 + ... + 251338715.

It is an arithmetic number, because the mean of its divisors is an integer number (754016133).

Almost surely, 2^2513387105 is an apocalyptic number.

It is an amenable number.

2513387105 is a deficient number, since it is larger than the sum of its proper divisors (502677427).

2513387105 is an equidigital number, since it uses as much as digits as its factorization.

2513387105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502677426.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2513387105 is about 50133.6923136527. The cubic root of 2513387105 is about 1359.6270432413.

The spelling of 2513387105 in words is "two billion, five hundred thirteen million, three hundred eighty-seven thousand, one hundred five".