2522681347 has 4 divisors (see below), whose sum is σ = 2524076136. Its totient is φ = 2521286560.

The previous prime is 2522681341. The next prime is 2522681363. The reversal of 2522681347 is 7431862252.

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 2522681347 - 2³ = 2522681339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522681341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694678 + ... + 698299.

It is an arithmetic number, because the mean of its divisors is an integer number (631019034).

Almost surely, 2^2522681347 is an apocalyptic number.

2522681347 is a deficient number, since it is larger than the sum of its proper divisors (1394789).

2522681347 is a wasteful number, since it uses less digits than its factorization.

2522681347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394788.

The product of its digits is 161280, while the sum is 40.

The square root of 2522681347 is about 50226.3013470034. The cubic root of 2522681347 is about 1361.3009011023.

The spelling of 2522681347 in words is "two billion, five hundred twenty-two million, six hundred eighty-one thousand, three hundred forty-seven".