113601541 has 2 divisors, whose sum is σ = 113601542. Its totient is φ = 113601540.

The previous prime is 113601533. The next prime is 113601563. The reversal of 113601541 is 145106311.

It is an a-pointer prime, because the next prime (113601563) can be obtained adding 113601541 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102941316 + 10660225 = 10146^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 113601541 - 2³ = 113601533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113601511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56800770 + 56800771.

It is an arithmetic number, because the mean of its divisors is an integer number (56800771).

Almost surely, 2^113601541 is an apocalyptic number.

It is an amenable number.

113601541 is a deficient number, since it is larger than the sum of its proper divisors (1).

113601541 is an equidigital number, since it uses as much as digits as its factorization.

113601541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 113601541 is about 10658.4023662085. The cubic root of 113601541 is about 484.3151719155.

Adding to 113601541 its reverse (145106311), we get a palindrome (258707852).

The spelling of 113601541 in words is "one hundred thirteen million, six hundred one thousand, five hundred forty-one".