213236265 has 32 divisors (see below), whose sum is σ = 375837696. Its totient is φ = 102375360.

The previous prime is 213236263. The next prime is 213236273. The reversal of 213236265 is 562632312.

It is not a de Polignac number, because 213236265 - 2¹ = 213236263 is a prime.

It is a super-2 number, since 2×213236265² = 90939409422300450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213236263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10722 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (11744928).

Almost surely, 2^213236265 is an apocalyptic number.

It is an amenable number.

213236265 is a deficient number, since it is larger than the sum of its proper divisors (162601431).

213236265 is a wasteful number, since it uses less digits than its factorization.

213236265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669.

The product of its digits is 12960, while the sum is 30.

The square root of 213236265 is about 14602.6115814946. The cubic root of 213236265 is about 597.4299936070.

Adding to 213236265 its reverse (562632312), we get a palindrome (775868577).

The spelling of 213236265 in words is "two hundred thirteen million, two hundred thirty-six thousand, two hundred sixty-five".