465209225 has 12 divisors (see below), whose sum is σ = 621233676. Its totient is φ = 343538880.

The previous prime is 465209221. The next prime is 465209237. The reversal of 465209225 is 522902564.

It can be written as a sum of positive squares in 6 ways, for example, as 127531849 + 337677376 = 11293^2 + 18376^2 .

It is not a de Polignac number, because 465209225 - 2² = 465209221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (465209221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715382 + ... + 716031.

It is an arithmetic number, because the mean of its divisors is an integer number (51769473).

Almost surely, 2^465209225 is an apocalyptic number.

It is an amenable number.

465209225 is a deficient number, since it is larger than the sum of its proper divisors (156024451).

465209225 is a wasteful number, since it uses less digits than its factorization.

465209225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431436 (or 1431431 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 465209225 is about 21568.7093957891. The cubic root of 465209225 is about 774.8472678560.

The spelling of 465209225 in words is "four hundred sixty-five million, two hundred nine thousand, two hundred twenty-five".