113641361 has 2 divisors, whose sum is σ = 113641362. Its totient is φ = 113641360.

The previous prime is 113641357. The next prime is 113641373. The reversal of 113641361 is 163146311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88078225 + 25563136 = 9385^2 + 5056^2 .

It is an emirp because it is prime and its reverse (163146311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113641361 - 2² = 113641357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113641361.

It is not a weakly prime, because it can be changed into another prime (113641301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56820680 + 56820681.

It is an arithmetic number, because the mean of its divisors is an integer number (56820681).

Almost surely, 2^113641361 is an apocalyptic number.

It is an amenable number.

113641361 is a deficient number, since it is larger than the sum of its proper divisors (1).

113641361 is an equidigital number, since it uses as much as digits as its factorization.

113641361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 113641361 is about 10660.2702123351. The cubic root of 113641361 is about 484.3717532408.

Adding to 113641361 its reverse (163146311), we get a palindrome (276787672).

The spelling of 113641361 in words is "one hundred thirteen million, six hundred forty-one thousand, three hundred sixty-one".