75532141 has 2 divisors, whose sum is σ = 75532142. Its totient is φ = 75532140.

The previous prime is 75532129. The next prime is 75532159. The reversal of 75532141 is 14123557.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61168041 + 14364100 = 7821^2 + 3790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75532141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75532181) 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, 37766070 + 37766071.

It is an arithmetic number, because the mean of its divisors is an integer number (37766071).

Almost surely, 2^75532141 is an apocalyptic number.

It is an amenable number.

75532141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75532141 is an equidigital number, since it uses as much as digits as its factorization.

75532141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 75532141 is about 8690.9229084143. The cubic root of 75532141 is about 422.7113721246.

Adding to 75532141 its reverse (14123557), we get a palindrome (89655698).

It can be divided in two parts, 755 and 32141, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 75532141 in words is "seventy-five million, five hundred thirty-two thousand, one hundred forty-one".