825238255 has 8 divisors (see below), whose sum is σ = 992943072. Its totient is φ = 658419168.

The previous prime is 825238247. The next prime is 825238273. The reversal of 825238255 is 552832528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825238255 - 2³ = 825238247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219379 + ... + 223108.

It is an arithmetic number, because the mean of its divisors is an integer number (124117884).

Almost surely, 2^825238255 is an apocalyptic number.

825238255 is a deficient number, since it is larger than the sum of its proper divisors (167704817).

825238255 is a wasteful number, since it uses less digits than its factorization.

825238255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442865.

The product of its digits is 192000, while the sum is 40.

The square root of 825238255 is about 28726.9604204831. The cubic root of 825238255 is about 937.9790045203.

The spelling of 825238255 in words is "eight hundred twenty-five million, two hundred thirty-eight thousand, two hundred fifty-five".