7538081 has 2 divisors, whose sum is σ = 7538082. Its totient is φ = 7538080.

The previous prime is 7538039. The next prime is 7538087. The reversal of 7538081 is 1808357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 2430481 = 2260^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 7538081 - 2¹⁸ = 7275937 is a prime.

It is a super-2 number, since 2×7538081² = 113645330325122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7538087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769040 + 3769041.

It is an arithmetic number, because the mean of its divisors is an integer number (3769041).

Almost surely, 2^7538081 is an apocalyptic number.

It is an amenable number.

7538081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538081 is an equidigital number, since it uses as much as digits as its factorization.

7538081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 7538081 is about 2745.5565920228. The cubic root of 7538081 is about 196.0741164234.

The spelling of 7538081 in words is "seven million, five hundred thirty-eight thousand, eighty-one".