215010233 has 4 divisors (see below), whose sum is σ = 224358528. Its totient is φ = 205661940.

The previous prime is 215010227. The next prime is 215010247. The reversal of 215010233 is 332010512.

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 215010233 - 2⁴ = 215010217 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 (215010283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4674113 + ... + 4674158.

It is an arithmetic number, because the mean of its divisors is an integer number (56089632).

Almost surely, 2^215010233 is an apocalyptic number.

215010233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

215010233 is a deficient number, since it is larger than the sum of its proper divisors (9348295).

215010233 is an equidigital number, since it uses as much as digits as its factorization.

215010233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348294.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 215010233 is about 14663.2272368671. The cubic root of 215010233 is about 599.0821456958.

Adding to 215010233 its reverse (332010512), we get a palindrome (547020745).

The spelling of 215010233 in words is "two hundred fifteen million, ten thousand, two hundred thirty-three".