2517251205 has 32 divisors (see below), whose sum is σ = 4629613824. Its totient is φ = 1144083456.

The previous prime is 2517251201. The next prime is 2517251227. The reversal of 2517251205 is 5021527152.

It is not a de Polignac number, because 2517251205 - 2² = 2517251201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517251201) 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, 51124 + ... + 87453.

It is an arithmetic number, because the mean of its divisors is an integer number (144675432).

Almost surely, 2^2517251205 is an apocalyptic number.

It is an amenable number.

2517251205 is a deficient number, since it is larger than the sum of its proper divisors (2112362619).

2517251205 is a wasteful number, since it uses less digits than its factorization.

2517251205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138765.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2517251205 is about 50172.2154683247. The cubic root of 2517251205 is about 1360.3234533788.

Adding to 2517251205 its reverse (5021527152), we get a palindrome (7538778357).

The spelling of 2517251205 in words is "two billion, five hundred seventeen million, two hundred fifty-one thousand, two hundred five".