465511997 has 4 divisors (see below), whose sum is σ = 472068576. Its totient is φ = 458955420.

The previous prime is 465511967. The next prime is 465512009. The reversal of 465511997 is 799115564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 465511997 - 2¹⁶ = 465446461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465511957) 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 in 3 ways as a sum of consecutive naturals, for example, 3278183 + ... + 3278324.

It is an arithmetic number, because the mean of its divisors is an integer number (118017144).

Almost surely, 2^465511997 is an apocalyptic number.

It is an amenable number.

465511997 is a deficient number, since it is larger than the sum of its proper divisors (6556579).

465511997 is an equidigital number, since it uses as much as digits as its factorization.

465511997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556578.

The product of its digits is 340200, while the sum is 47.

The square root of 465511997 is about 21575.7270329414. The cubic root of 465511997 is about 775.0153292840.

The spelling of 465511997 in words is "four hundred sixty-five million, five hundred eleven thousand, nine hundred ninety-seven".