238465537 has 2 divisors, whose sum is σ = 238465538. Its totient is φ = 238465536.

The previous prime is 238465517. The next prime is 238465567. The reversal of 238465537 is 735564832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237129201 + 1336336 = 15399^2 + 1156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238465537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238465493 and 238465502.

It is not a weakly prime, because it can be changed into another prime (238465517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119232768 + 119232769.

It is an arithmetic number, because the mean of its divisors is an integer number (119232769).

Almost surely, 2^238465537 is an apocalyptic number.

It is an amenable number.

238465537 is a deficient number, since it is larger than the sum of its proper divisors (1).

238465537 is an equidigital number, since it uses as much as digits as its factorization.

238465537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 43.

The square root of 238465537 is about 15442.3293903478. The cubic root of 238465537 is about 620.1192425870.

The spelling of 238465537 in words is "two hundred thirty-eight million, four hundred sixty-five thousand, five hundred thirty-seven".