7525600091 has 2 divisors, whose sum is σ = 7525600092. Its totient is φ = 7525600090.

The previous prime is 7525600051. The next prime is 7525600111. The reversal of 7525600091 is 1900065257.

It is a strong prime.

It is an emirp because it is prime and its reverse (1900065257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7525600091 is a prime.

It is a super-3 number, since 3×7525600091³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7525600031) 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 as a sum of consecutive naturals, namely, 3762800045 + 3762800046.

It is an arithmetic number, because the mean of its divisors is an integer number (3762800046).

Almost surely, 2^7525600091 is an apocalyptic number.

7525600091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7525600091 is an equidigital number, since it uses as much as digits as its factorization.

7525600091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 7525600091 is about 86750.2166625536. The cubic root of 7525600091 is about 1959.6584240070.

The spelling of 7525600091 in words is "seven billion, five hundred twenty-five million, six hundred thousand, ninety-one".