233012261 has 4 divisors (see below), whose sum is σ = 234407712. Its totient is φ = 231616812.

The previous prime is 233012209. The next prime is 233012267. The reversal of 233012261 is 162210332.

It is a happy number.

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 233012261 - 2¹⁴ = 232995877 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 (233012267) 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, 697475 + ... + 697808.

It is an arithmetic number, because the mean of its divisors is an integer number (58601928).

Almost surely, 2^233012261 is an apocalyptic number.

It is an amenable number.

233012261 is a deficient number, since it is larger than the sum of its proper divisors (1395451).

233012261 is a wasteful number, since it uses less digits than its factorization.

233012261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395450.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 233012261 is about 15264.7391395988. The cubic root of 233012261 is about 615.3557428028.

Adding to 233012261 its reverse (162210332), we get a palindrome (395222593).

The spelling of 233012261 in words is "two hundred thirty-three million, twelve thousand, two hundred sixty-one".