238071825 has 48 divisors (see below), whose sum is σ = 463095360. Its totient is φ = 119496960.

The previous prime is 238071809. The next prime is 238071851. The reversal of 238071825 is 528170832.

It is not a de Polignac number, because 238071825 - 2⁴ = 238071809 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 238071825.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1102 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (9647820).

Almost surely, 2^238071825 is an apocalyptic number.

238071825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238071825 is a deficient number, since it is larger than the sum of its proper divisors (225023535).

238071825 is a wasteful number, since it uses less digits than its factorization.

238071825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20783 (or 20772 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 238071825 is about 15429.5763065614. The cubic root of 238071825 is about 619.7777776266. Note that the first 6 decimals are identical.

The spelling of 238071825 in words is "two hundred thirty-eight million, seventy-one thousand, eight hundred twenty-five".