465261609 has 16 divisors (see below), whose sum is σ = 646590464. Its totient is φ = 297248400.

The previous prime is 465261583. The next prime is 465261611. The reversal of 465261609 is 906162564.

It is not a de Polignac number, because 465261609 - 2¹³ = 465253417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465261679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14707 + ... + 33864.

It is an arithmetic number, because the mean of its divisors is an integer number (40411904).

Almost surely, 2^465261609 is an apocalyptic number.

It is an amenable number.

465261609 is a deficient number, since it is larger than the sum of its proper divisors (181328855).

465261609 is a wasteful number, since it uses less digits than its factorization.

465261609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48708.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 465261609 is about 21569.9237133561. The cubic root of 465261609 is about 774.8763501654.

The spelling of 465261609 in words is "four hundred sixty-five million, two hundred sixty-one thousand, six hundred nine".