75201131 has 4 divisors (see below), whose sum is σ = 77233632. Its totient is φ = 73168632.

The previous prime is 75201083. The next prime is 75201143. The reversal of 75201131 is 13110257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75201131 - 2¹⁰ = 75200107 is a prime.

It is a super-2 number, since 2×75201131² = 11310420207358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75201151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016195 + ... + 1016268.

It is an arithmetic number, because the mean of its divisors is an integer number (19308408).

Almost surely, 2^75201131 is an apocalyptic number.

75201131 is a deficient number, since it is larger than the sum of its proper divisors (2032501).

75201131 is a wasteful number, since it uses less digits than its factorization.

75201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032500.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 75201131 is about 8671.8585666511. The cubic root of 75201131 is about 422.0929749546.

Adding to 75201131 its reverse (13110257), we get a palindrome (88311388).

The spelling of 75201131 in words is "seventy-five million, two hundred one thousand, one hundred thirty-one".