825274542 has 32 divisors (see below), whose sum is σ = 1664644608. Its totient is φ = 272750976.

The previous prime is 825274531. The next prime is 825274579. The reversal of 825274542 is 245472528.

It is a self number, because there is not a number n which added to its sum of digits gives 825274542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579243 + ... + 580665.

It is an arithmetic number, because the mean of its divisors is an integer number (52020144).

Almost surely, 2^825274542 is an apocalyptic number.

825274542 is an abundant number, since it is smaller than the sum of its proper divisors (839370066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825274542 is a wasteful number, since it uses less digits than its factorization.

825274542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 179200, while the sum is 39.

The square root of 825274542 is about 28727.5919979381. The cubic root of 825274542 is about 937.9927524471.

The spelling of 825274542 in words is "eight hundred twenty-five million, two hundred seventy-four thousand, five hundred forty-two".