238245827 has 2 divisors, whose sum is σ = 238245828. Its totient is φ = 238245826.

The previous prime is 238245823. The next prime is 238245829. The reversal of 238245827 is 728542832.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238245827 - 2² = 238245823 is a prime.

It is a super-2 number, since 2×238245827² = 113522148165827858, which contains 22 as substring.

Together with 238245829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238245823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119122913 + 119122914.

It is an arithmetic number, because the mean of its divisors is an integer number (119122914).

Almost surely, 2^238245827 is an apocalyptic number.

238245827 is a deficient number, since it is larger than the sum of its proper divisors (1).

238245827 is an equidigital number, since it uses as much as digits as its factorization.

238245827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 41.

The square root of 238245827 is about 15435.2138631118. The cubic root of 238245827 is about 619.9287353053.

The spelling of 238245827 in words is "two hundred thirty-eight million, two hundred forty-five thousand, eight hundred twenty-seven".