193541 has 2 divisors, whose sum is σ = 193542. Its totient is φ = 193540.

The previous prime is 193513. The next prime is 193549. The reversal of 193541 is 145391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172225 + 21316 = 415^2 + 146^2 .

It is an emirp because it is prime and its reverse (145391) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96770 + 96771.

It is an arithmetic number, because the mean of its divisors is an integer number (96771).

2¹⁹³⁵⁴¹ is an apocalyptic number.

It is an amenable number.

193541 is a deficient number, since it is larger than the sum of its proper divisors (1).

193541 is an equidigital number, since it uses as much as digits as its factorization.

193541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 193541 is about 439.9329494366. The cubic root of 193541 is about 57.8439124639.

The spelling of 193541 in words is "one hundred ninety-three thousand, five hundred forty-one".