75530101 has 2 divisors, whose sum is σ = 75530102. Its totient is φ = 75530100.

The previous prime is 75530071. The next prime is 75530129. The reversal of 75530101 is 10103557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75168900 + 361201 = 8670^2 + 601^2 .

It is an emirp because it is prime and its reverse (10103557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75530101 - 2¹⁵ = 75497333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75530401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37765050 + 37765051.

It is an arithmetic number, because the mean of its divisors is an integer number (37765051).

Almost surely, 2^75530101 is an apocalyptic number.

It is an amenable number.

75530101 is a deficient number, since it is larger than the sum of its proper divisors (1).

75530101 is an equidigital number, since it uses as much as digits as its factorization.

75530101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 75530101 is about 8690.8055437917. The cubic root of 75530101 is about 422.7075665087.

Adding to 75530101 its reverse (10103557), we get a palindrome (85633658).

The spelling of 75530101 in words is "seventy-five million, five hundred thirty thousand, one hundred one".