238761065 has 4 divisors (see below), whose sum is σ = 286513284. Its totient is φ = 191008848.

The previous prime is 238761053. The next prime is 238761077. The reversal of 238761065 is 560167832.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (238761053) and next prime (238761077).

It can be written as a sum of positive squares in 2 ways, for example, as 98883136 + 139877929 = 9944^2 + 11827^2 .

It is a cyclic number.

It is not a de Polignac number, because 238761065 - 2¹⁶ = 238695529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23876102 + ... + 23876111.

It is an arithmetic number, because the mean of its divisors is an integer number (71628321).

Almost surely, 2^238761065 is an apocalyptic number.

It is an amenable number.

238761065 is a deficient number, since it is larger than the sum of its proper divisors (47752219).

238761065 is an equidigital number, since it uses as much as digits as its factorization.

238761065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47752218.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 238761065 is about 15451.8951912055. The cubic root of 238761065 is about 620.3753060679.

The spelling of 238761065 in words is "two hundred thirty-eight million, seven hundred sixty-one thousand, sixty-five".