234551213 has 6 divisors (see below), whose sum is σ = 253981674. Its totient is φ = 216508656.

The previous prime is 234551179. The next prime is 234551221. The reversal of 234551213 is 312155432.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16752649 + 217798564 = 4093^2 + 14758^2 .

It is not a de Polignac number, because 234551213 - 2⁸ = 234550957 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 (234551243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693770 + ... + 694107.

It is an arithmetic number, because the mean of its divisors is an integer number (42330279).

Almost surely, 2^234551213 is an apocalyptic number.

It is an amenable number.

234551213 is a deficient number, since it is larger than the sum of its proper divisors (19430461).

234551213 is a wasteful number, since it uses less digits than its factorization.

234551213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387903 (or 1387890 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 234551213 is about 15315.0649035517. The cubic root of 234551213 is about 616.7074967203.

The spelling of 234551213 in words is "two hundred thirty-four million, five hundred fifty-one thousand, two hundred thirteen".