117523245 has 16 divisors (see below), whose sum is σ = 214899840. Its totient is φ = 53724864.

The previous prime is 117523243. The next prime is 117523253. The reversal of 117523245 is 542325711.

It is not a de Polignac number, because 117523245 - 2¹ = 117523243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117523243) 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 15 ways as a sum of consecutive naturals, for example, 559530 + ... + 559739.

It is an arithmetic number, because the mean of its divisors is an integer number (13431240).

Almost surely, 2^117523245 is an apocalyptic number.

117523245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117523245 is a deficient number, since it is larger than the sum of its proper divisors (97376595).

117523245 is a wasteful number, since it uses less digits than its factorization.

117523245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119284.

The product of its digits is 8400, while the sum is 30.

The square root of 117523245 is about 10840.8138532123. The cubic root of 117523245 is about 489.8253507801.

Adding to 117523245 its reverse (542325711), we get a palindrome (659848956).

The spelling of 117523245 in words is "one hundred seventeen million, five hundred twenty-three thousand, two hundred forty-five".