825085738 has 8 divisors (see below), whose sum is σ = 1238946660. Its totient is φ = 412103520.

The previous prime is 825085733. The next prime is 825085759. The reversal of 825085738 is 837580528.

It can be written as a sum of positive squares in 2 ways, for example, as 715402009 + 109683729 = 26747^2 + 10473^2 .

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

It is not an unprimeable number, because it can be changed into a prime (825085733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217323 + ... + 221086.

Almost surely, 2^825085738 is an apocalyptic number.

825085738 is a deficient number, since it is larger than the sum of its proper divisors (413860922).

825085738 is a wasteful number, since it uses less digits than its factorization.

825085738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439352.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 825085738 is about 28724.3057009216. The cubic root of 825085738 is about 937.9212165393.

The spelling of 825085738 in words is "eight hundred twenty-five million, eighty-five thousand, seven hundred thirty-eight".