1064225909 has 2 divisors, whose sum is σ = 1064225910. Its totient is φ = 1064225908.

The previous prime is 1064225879. The next prime is 1064225927. The reversal of 1064225909 is 9095224601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552109009 + 512116900 = 23497^2 + 22630^2 .

It is an emirp because it is prime and its reverse (9095224601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064225909 is a prime.

It is a super-2 number, since 2×1064225909² = 2265153570773752562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064225999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532112954 + 532112955.

It is an arithmetic number, because the mean of its divisors is an integer number (532112955).

Almost surely, 2^1064225909 is an apocalyptic number.

It is an amenable number.

1064225909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064225909 is an equidigital number, since it uses as much as digits as its factorization.

1064225909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1064225909 is about 32622.4755191877. The cubic root of 1064225909 is about 1020.9659915069.

The spelling of 1064225909 in words is "one billion, sixty-four million, two hundred twenty-five thousand, nine hundred nine".