7505081 has 2 divisors, whose sum is σ = 7505082. Its totient is φ = 7505080.

The previous prime is 7505077. The next prime is 7505089. The reversal of 7505081 is 1805057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 1210000 = 2509^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 7505081 - 2² = 7505077 is a prime.

It is a super-2 number, since 2×7505081² = 112652481633122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7505081.

It is not a weakly prime, because it can be changed into another prime (7505089) 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, 3752540 + 3752541.

It is an arithmetic number, because the mean of its divisors is an integer number (3752541).

Almost surely, 2^7505081 is an apocalyptic number.

It is an amenable number.

7505081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7505081 is an equidigital number, since it uses as much as digits as its factorization.

7505081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 7505081 is about 2739.5402899027. The cubic root of 7505081 is about 195.7875752857.

The spelling of 7505081 in words is "seven million, five hundred five thousand, eighty-one".