2117526245 has 16 divisors (see below), whose sum is σ = 2603071488. Its totient is φ = 1653099840.

The previous prime is 2117526241. The next prime is 2117526287. The reversal of 2117526245 is 5426257112.

It is not a de Polignac number, because 2117526245 - 2² = 2117526241 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 (2117526241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11402 + ... + 66068.

It is an arithmetic number, because the mean of its divisors is an integer number (162691968).

Almost surely, 2^2117526245 is an apocalyptic number.

It is an amenable number.

2117526245 is a deficient number, since it is larger than the sum of its proper divisors (485545243).

2117526245 is a wasteful number, since it uses less digits than its factorization.

2117526245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54860.

The product of its digits is 33600, while the sum is 35.

The square root of 2117526245 is about 46016.5866291710. The cubic root of 2117526245 is about 1284.1317990906.

The spelling of 2117526245 in words is "two billion, one hundred seventeen million, five hundred twenty-six thousand, two hundred forty-five".