117597481 has 2 divisors, whose sum is σ = 117597482. Its totient is φ = 117597480.

The previous prime is 117597463. The next prime is 117597499. The reversal of 117597481 is 184795711.

It is a balanced prime because it is at equal distance from previous prime (117597463) and next prime (117597499).

It can be written as a sum of positive squares in only one way, i.e., 80192025 + 37405456 = 8955^2 + 6116^2 .

It is an emirp because it is prime and its reverse (184795711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117597481 - 2²⁵ = 84043049 is a prime.

It is a super-2 number, since 2×117597481² = 27658335075090722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117597401) 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 as a sum of consecutive naturals, namely, 58798740 + 58798741.

It is an arithmetic number, because the mean of its divisors is an integer number (58798741).

Almost surely, 2^117597481 is an apocalyptic number.

It is an amenable number.

117597481 is a deficient number, since it is larger than the sum of its proper divisors (1).

117597481 is an equidigital number, since it uses as much as digits as its factorization.

117597481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 43.

The square root of 117597481 is about 10844.2372253654. The cubic root of 117597481 is about 489.9284651923.

The spelling of 117597481 in words is "one hundred seventeen million, five hundred ninety-seven thousand, four hundred eighty-one".