465002609 has 4 divisors (see below), whose sum is σ = 465293220. Its totient is φ = 464712000.

The previous prime is 465002563. The next prime is 465002621. The reversal of 465002609 is 906200564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 374809600 + 90193009 = 19360^2 + 9497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465002609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465002639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142892 + ... + 146109.

It is an arithmetic number, because the mean of its divisors is an integer number (116323305).

Almost surely, 2^465002609 is an apocalyptic number.

It is an amenable number.

465002609 is a deficient number, since it is larger than the sum of its proper divisors (290611).

465002609 is a wasteful number, since it uses less digits than its factorization.

465002609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290610.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 465002609 is about 21563.9191475019. The cubic root of 465002609 is about 774.7325384384.

The spelling of 465002609 in words is "four hundred sixty-five million, two thousand, six hundred nine".