465520609 has 2 divisors, whose sum is σ = 465520610. Its totient is φ = 465520608.

The previous prime is 465520607. The next prime is 465520613. The reversal of 465520609 is 906025564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368064225 + 97456384 = 19185^2 + 9872^2 .

It is a cyclic number.

It is not a de Polignac number, because 465520609 - 2¹ = 465520607 is a prime.

Together with 465520607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (465520603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232760304 + 232760305.

It is an arithmetic number, because the mean of its divisors is an integer number (232760305).

Almost surely, 2^465520609 is an apocalyptic number.

It is an amenable number.

465520609 is a deficient number, since it is larger than the sum of its proper divisors (1).

465520609 is an equidigital number, since it uses as much as digits as its factorization.

465520609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 465520609 is about 21575.9266081436. The cubic root of 465520609 is about 775.0201085313.

The spelling of 465520609 in words is "four hundred sixty-five million, five hundred twenty thousand, six hundred nine".