459025909 has 2 divisors, whose sum is σ = 459025910. Its totient is φ = 459025908.

The previous prime is 459025877. The next prime is 459025933. The reversal of 459025909 is 909520954.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431725284 + 27300625 = 20778^2 + 5225^2 .

It is a cyclic number.

It is not a de Polignac number, because 459025909 - 2⁵ = 459025877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459025979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229512954 + 229512955.

It is an arithmetic number, because the mean of its divisors is an integer number (229512955).

Almost surely, 2^459025909 is an apocalyptic number.

It is an amenable number.

459025909 is a deficient number, since it is larger than the sum of its proper divisors (1).

459025909 is an equidigital number, since it uses as much as digits as its factorization.

459025909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 459025909 is about 21424.8899413743. The cubic root of 459025909 is about 771.3989909407.

The spelling of 459025909 in words is "four hundred fifty-nine million, twenty-five thousand, nine hundred nine".