238462561 has 2 divisors, whose sum is σ = 238462562. Its totient is φ = 238462560.

The previous prime is 238462541. The next prime is 238462573. The reversal of 238462561 is 165264832.

238462561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225930961 + 12531600 = 15031^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 238462561 - 2¹³ = 238454369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238462561.

It is not a weakly prime, because it can be changed into another prime (238462531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119231280 + 119231281.

It is an arithmetic number, because the mean of its divisors is an integer number (119231281).

Almost surely, 2^238462561 is an apocalyptic number.

It is an amenable number.

238462561 is a deficient number, since it is larger than the sum of its proper divisors (1).

238462561 is an equidigital number, since it uses as much as digits as its factorization.

238462561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 238462561 is about 15442.2330315275. The cubic root of 238462561 is about 620.1166629235.

The spelling of 238462561 in words is "two hundred thirty-eight million, four hundred sixty-two thousand, five hundred sixty-one".