27312025 has 24 divisors (see below), whose sum is σ = 38400320. Its totient is φ = 19103040.

The previous prime is 27312011. The next prime is 27312083. The reversal of 27312025 is 52021372.

It is not a de Polignac number, because 27312025 - 2¹⁷ = 27180953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27311987 and 27312005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3964 + ... + 8386.

Almost surely, 2^27312025 is an apocalyptic number.

27312025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27312025 is a deficient number, since it is larger than the sum of its proper divisors (11088295).

27312025 is a wasteful number, since it uses less digits than its factorization.

27312025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 27312025 is about 5226.0907952312. The cubic root of 27312025 is about 301.1512247690.

Adding to 27312025 its reverse (52021372), we get a palindrome (79333397).

The spelling of 27312025 in words is "twenty-seven million, three hundred twelve thousand, twenty-five".