90633113 has 2 divisors, whose sum is σ = 90633114. Its totient is φ = 90633112.

The previous prime is 90633107. The next prime is 90633131. The reversal of 90633113 is 31133609.

Together with next prime (90633131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 41113744 = 7037^2 + 6412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90633113 is a prime.

It is a super-2 number, since 2×90633113² = 16428722344141538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90633163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45316556 + 45316557.

It is an arithmetic number, because the mean of its divisors is an integer number (45316557).

Almost surely, 2^90633113 is an apocalyptic number.

It is an amenable number.

90633113 is a deficient number, since it is larger than the sum of its proper divisors (1).

90633113 is an equidigital number, since it uses as much as digits as its factorization.

90633113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 90633113 is about 9520.1424884295. The cubic root of 90633113 is about 449.1888481941.

The spelling of 90633113 in words is "ninety million, six hundred thirty-three thousand, one hundred thirteen".