2517342847 has 16 divisors (see below), whose sum is σ = 2784022272. Its totient is φ = 2264042880.

The previous prime is 2517342833. The next prime is 2517342853. The reversal of 2517342847 is 7482437152.

It is a cyclic number.

It is not a de Polignac number, because 2517342847 - 2⁷ = 2517342719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517342857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502288 + ... + 507274.

It is an arithmetic number, because the mean of its divisors is an integer number (174001392).

Almost surely, 2^2517342847 is an apocalyptic number.

2517342847 is a deficient number, since it is larger than the sum of its proper divisors (266679425).

2517342847 is a wasteful number, since it uses less digits than its factorization.

2517342847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318.

The product of its digits is 376320, while the sum is 43.

The square root of 2517342847 is about 50173.1287344132. The cubic root of 2517342847 is about 1360.3399609683.

Adding to 2517342847 its reverse (7482437152), we get a palindrome (9999779999).

The spelling of 2517342847 in words is "two billion, five hundred seventeen million, three hundred forty-two thousand, eight hundred forty-seven".