2517514861 has 2 divisors, whose sum is σ = 2517514862. Its totient is φ = 2517514860.

The previous prime is 2517514847. The next prime is 2517514873. The reversal of 2517514861 is 1684157152.

2517514861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2153888100 + 363626761 = 46410^2 + 19069^2 .

It is a cyclic number.

It is not a de Polignac number, because 2517514861 - 2⁵ = 2517514829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2517514261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258757430 + 1258757431.

It is an arithmetic number, because the mean of its divisors is an integer number (1258757431).

Almost surely, 2^2517514861 is an apocalyptic number.

It is an amenable number.

2517514861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517514861 is an equidigital number, since it uses as much as digits as its factorization.

2517514861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 40.

The square root of 2517514861 is about 50174.8429095697. The cubic root of 2517514861 is about 1360.3709449863.

The spelling of 2517514861 in words is "two billion, five hundred seventeen million, five hundred fourteen thousand, eight hundred sixty-one".