9025813 has 2 divisors, whose sum is σ = 9025814. Its totient is φ = 9025812.

The previous prime is 9025811. The next prime is 9025837. The reversal of 9025813 is 3185209.

It is the 1227-th star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5846724 + 3179089 = 2418^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 9025813 - 2¹ = 9025811 is a prime.

Together with 9025811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9025811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512906 + 4512907.

It is an arithmetic number, because the mean of its divisors is an integer number (4512907).

Almost surely, 2^9025813 is an apocalyptic number.

It is an amenable number.

9025813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9025813 is an equidigital number, since it uses as much as digits as its factorization.

9025813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 9025813 is about 3004.2990863095. The cubic root of 9025813 is about 208.2070562040.

The spelling of 9025813 in words is "nine million, twenty-five thousand, eight hundred thirteen".