2617254247 has 4 divisors (see below), whose sum is σ = 2617505200. Its totient is φ = 2617003296.

The previous prime is 2617254223. The next prime is 2617254253. The reversal of 2617254247 is 7424527162.

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

It is a cyclic number.

It is not a de Polignac number, because 2617254247 - 2⁷ = 2617254119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2617254217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109122 + ... + 130927.

It is an arithmetic number, because the mean of its divisors is an integer number (654376300).

Almost surely, 2^2617254247 is an apocalyptic number.

2617254247 is a deficient number, since it is larger than the sum of its proper divisors (250953).

2617254247 is a wasteful number, since it uses less digits than its factorization.

2617254247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250952.

The product of its digits is 188160, while the sum is 40.

The square root of 2617254247 is about 51159.1071755558. The cubic root of 2617254247 is about 1378.1039295267.

The spelling of 2617254247 in words is "two billion, six hundred seventeen million, two hundred fifty-four thousand, two hundred forty-seven".