232601381 has 2 divisors, whose sum is σ = 232601382. Its totient is φ = 232601380.

The previous prime is 232601377. The next prime is 232601407. The reversal of 232601381 is 183106232.

It is an a-pointer prime, because the next prime (232601407) can be obtained adding 232601381 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122456356 + 110145025 = 11066^2 + 10495^2 .

It is a cyclic number.

It is not a de Polignac number, because 232601381 - 2² = 232601377 is a prime.

It is a super-2 number, since 2×232601381² = 108206804886214322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232601381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232601311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116300690 + 116300691.

It is an arithmetic number, because the mean of its divisors is an integer number (116300691).

Almost surely, 2^232601381 is an apocalyptic number.

It is an amenable number.

232601381 is a deficient number, since it is larger than the sum of its proper divisors (1).

232601381 is an equidigital number, since it uses as much as digits as its factorization.

232601381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 232601381 is about 15251.2747336083. The cubic root of 232601381 is about 614.9938360587.

The spelling of 232601381 in words is "two hundred thirty-two million, six hundred one thousand, three hundred eighty-one".