75541 has 2 divisors, whose sum is σ = 75542. Its totient is φ = 75540.

The previous prime is 75539. The next prime is 75553. The reversal of 75541 is 14557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64516 + 11025 = 254^2 + 105^2 .

It is an emirp because it is prime and its reverse (14557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75541 - 2¹ = 75539 is a prime.

Together with 75539, it forms a pair of twin primes.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37770 + 37771.

It is an arithmetic number, because the mean of its divisors is an integer number (37771).

2⁷⁵⁵⁴¹ is an apocalyptic number.

It is an amenable number.

75541 is a deficient number, since it is larger than the sum of its proper divisors (1).

75541 is an equidigital number, since it uses as much as digits as its factorization.

75541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 22.

The square root of 75541 is about 274.8472302935. The cubic root of 75541 is about 42.2727897777.

It can be divided in two parts, 75 and 541, that added together give a palindrome (616).

The spelling of 75541 in words is "seventy-five thousand, five hundred forty-one".