90667301 has 2 divisors, whose sum is σ = 90667302. Its totient is φ = 90667300.

The previous prime is 90667271. The next prime is 90667309. The reversal of 90667301 is 10376609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51854401 + 38812900 = 7201^2 + 6230^2 .

It is an emirp because it is prime and its reverse (10376609) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90667301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90667309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45333650 + 45333651.

It is an arithmetic number, because the mean of its divisors is an integer number (45333651).

Almost surely, 2^90667301 is an apocalyptic number.

It is an amenable number.

90667301 is a deficient number, since it is larger than the sum of its proper divisors (1).

90667301 is an equidigital number, since it uses as much as digits as its factorization.

90667301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 90667301 is about 9521.9378804947. The cubic root of 90667301 is about 449.2453210707.

The spelling of 90667301 in words is "ninety million, six hundred sixty-seven thousand, three hundred one".