73265131 has 2 divisors, whose sum is σ = 73265132. Its totient is φ = 73265130.

The previous prime is 73265123. The next prime is 73265141. The reversal of 73265131 is 13156237.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73265131 - 2³ = 73265123 is a prime.

It is a super-2 number, since 2×73265131² = 10735558840894322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73265131.

It is not a weakly prime, because it can be changed into another prime (73265111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36632565 + 36632566.

It is an arithmetic number, because the mean of its divisors is an integer number (36632566).

Almost surely, 2^73265131 is an apocalyptic number.

73265131 is a deficient number, since it is larger than the sum of its proper divisors (1).

73265131 is an equidigital number, since it uses as much as digits as its factorization.

73265131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 73265131 is about 8559.5053011258. The cubic root of 73265131 is about 418.4392774462.

The spelling of 73265131 in words is "seventy-three million, two hundred sixty-five thousand, one hundred thirty-one".