90522007 has 2 divisors, whose sum is σ = 90522008. Its totient is φ = 90522006.

The previous prime is 90522001. The next prime is 90522031. The reversal of 90522007 is 70022509.

It is a weak prime.

It is an emirp because it is prime and its reverse (70022509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90522007 - 2³ = 90521999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90522001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45261003 + 45261004.

It is an arithmetic number, because the mean of its divisors is an integer number (45261004).

Almost surely, 2^90522007 is an apocalyptic number.

90522007 is a deficient number, since it is larger than the sum of its proper divisors (1).

90522007 is an equidigital number, since it uses as much as digits as its factorization.

90522007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 90522007 is about 9514.3053871525. The cubic root of 90522007 is about 449.0052214742.

The spelling of 90522007 in words is "ninety million, five hundred twenty-two thousand, seven".