27950825 has 18 divisors (see below), whose sum is σ = 40319406. Its totient is φ = 19165440.

The previous prime is 27950821. The next prime is 27950827. The reversal of 27950825 is 52805972.

It can be written as a sum of positive squares in 3 ways, for example, as 9357481 + 18593344 = 3059^2 + 4312^2 .

It is not a de Polignac number, because 27950825 - 2² = 27950821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27950821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10184 + ... + 12633.

It is an arithmetic number, because the mean of its divisors is an integer number (2239967).

Almost surely, 2^27950825 is an apocalyptic number.

27950825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27950825 is a deficient number, since it is larger than the sum of its proper divisors (12368581).

27950825 is a wasteful number, since it uses less digits than its factorization.

27950825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841 (or 22829 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 27950825 is about 5286.8539794475. The cubic root of 27950825 is about 303.4810260388.

The spelling of 27950825 in words is "twenty-seven million, nine hundred fifty thousand, eight hundred twenty-five".