905634113 has 2 divisors, whose sum is σ = 905634114. Its totient is φ = 905634112.

The previous prime is 905634101. The next prime is 905634133. The reversal of 905634113 is 311436509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470369344 + 435264769 = 21688^2 + 20863^2 .

It is a cyclic number.

It is not a de Polignac number, because 905634113 - 2⁴ = 905634097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 905634113.

It is not a weakly prime, because it can be changed into another prime (905634133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452817056 + 452817057.

It is an arithmetic number, because the mean of its divisors is an integer number (452817057).

Almost surely, 2^905634113 is an apocalyptic number.

It is an amenable number.

905634113 is a deficient number, since it is larger than the sum of its proper divisors (1).

905634113 is an equidigital number, since it uses as much as digits as its factorization.

905634113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 905634113 is about 30093.7553821387. The cubic root of 905634113 is about 967.4998900084.

The spelling of 905634113 in words is "nine hundred five million, six hundred thirty-four thousand, one hundred thirteen".