90000611 has 2 divisors, whose sum is σ = 90000612. Its totient is φ = 90000610.

The previous prime is 90000607. The next prime is 90000653. The reversal of 90000611 is 11600009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90000611 - 2² = 90000607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90000611.

It is not a weakly prime, because it can be changed into another prime (90300611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45000305 + 45000306.

It is an arithmetic number, because the mean of its divisors is an integer number (45000306).

Almost surely, 2^90000611 is an apocalyptic number.

90000611 is a deficient number, since it is larger than the sum of its proper divisors (1).

90000611 is an equidigital number, since it uses as much as digits as its factorization.

90000611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 90000611 is about 9486.8651829780. The cubic root of 90000611 is about 448.1414887787.

The spelling of 90000611 in words is "ninety million, six hundred eleven", and thus it is an aban number.