212435465 has 12 divisors (see below), whose sum is σ = 280204932. Its totient is φ = 154498080.

The previous prime is 212435393. The next prime is 212435471. The reversal of 212435465 is 564534212.

It can be written as a sum of positive squares in 2 ways, for example, as 33223696 + 179211769 = 5764^2 + 13387^2 .

It is not a de Polignac number, because 212435465 - 2¹² = 212431369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174962 + ... + 176171.

It is an arithmetic number, because the mean of its divisors is an integer number (23350411).

Almost surely, 2^212435465 is an apocalyptic number.

It is an amenable number.

212435465 is a deficient number, since it is larger than the sum of its proper divisors (67769467).

212435465 is a wasteful number, since it uses less digits than its factorization.

212435465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351160 (or 351149 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 212435465 is about 14575.1660367901. The cubic root of 212435465 is about 596.6811808765.

Adding to 212435465 its reverse (564534212), we get a palindrome (776969677).

The spelling of 212435465 in words is "two hundred twelve million, four hundred thirty-five thousand, four hundred sixty-five".