232909013 has 2 divisors, whose sum is σ = 232909014. Its totient is φ = 232909012.

The previous prime is 232909009. The next prime is 232909031. The reversal of 232909013 is 310909232.

Together with next prime (232909031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196644529 + 36264484 = 14023^2 + 6022^2 .

It is a cyclic number.

It is not a de Polignac number, because 232909013 - 2² = 232909009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232909073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116454506 + 116454507.

It is an arithmetic number, because the mean of its divisors is an integer number (116454507).

Almost surely, 2^232909013 is an apocalyptic number.

It is an amenable number.

232909013 is a deficient number, since it is larger than the sum of its proper divisors (1).

232909013 is an equidigital number, since it uses as much as digits as its factorization.

232909013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 232909013 is about 15261.3568531766. The cubic root of 232909013 is about 615.2648410969.

The spelling of 232909013 in words is "two hundred thirty-two million, nine hundred nine thousand, thirteen".