825397274 has 32 divisors (see below), whose sum is σ = 1393822080. Its totient is φ = 363730752.

The previous prime is 825397273. The next prime is 825397301. The reversal of 825397274 is 472793528.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (825397273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493712 + ... + 495380.

It is an arithmetic number, because the mean of its divisors is an integer number (43556940).

Almost surely, 2^825397274 is an apocalyptic number.

825397274 is a deficient number, since it is larger than the sum of its proper divisors (568424806).

825397274 is a wasteful number, since it uses less digits than its factorization.

825397274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its digits is 846720, while the sum is 47.

The square root of 825397274 is about 28729.7280530116. The cubic root of 825397274 is about 938.0392484975.

The spelling of 825397274 in words is "eight hundred twenty-five million, three hundred ninety-seven thousand, two hundred seventy-four".