90510067 has 2 divisors, whose sum is σ = 90510068. Its totient is φ = 90510066.

The previous prime is 90510059. The next prime is 90510113. The reversal of 90510067 is 76001509.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90510067 - 2³ = 90510059 is a prime.

It is not a weakly prime, because it can be changed into another prime (90510467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45255033 + 45255034.

It is an arithmetic number, because the mean of its divisors is an integer number (45255034).

Almost surely, 2^90510067 is an apocalyptic number.

90510067 is a deficient number, since it is larger than the sum of its proper divisors (1).

90510067 is an equidigital number, since it uses as much as digits as its factorization.

90510067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 90510067 is about 9513.6778902799. The cubic root of 90510067 is about 448.9854790998.

The spelling of 90510067 in words is "ninety million, five hundred ten thousand, sixty-seven".