231604601 has 2 divisors, whose sum is σ = 231604602. Its totient is φ = 231604600.

The previous prime is 231604591. The next prime is 231604619. The reversal of 231604601 is 106406132.

It is a happy number.

231604601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153264400 + 78340201 = 12380^2 + 8851^2 .

It is a cyclic number.

It is not a de Polignac number, because 231604601 - 2¹⁸ = 231342457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231604621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115802300 + 115802301.

It is an arithmetic number, because the mean of its divisors is an integer number (115802301).

Almost surely, 2^231604601 is an apocalyptic number.

It is an amenable number.

231604601 is a deficient number, since it is larger than the sum of its proper divisors (1).

231604601 is an equidigital number, since it uses as much as digits as its factorization.

231604601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 231604601 is about 15218.5610686425. The cubic root of 231604601 is about 614.1140887636.

The spelling of 231604601 in words is "two hundred thirty-one million, six hundred four thousand, six hundred one".