27048431 has 4 divisors (see below), whose sum is σ = 27220872. Its totient is φ = 26875992.

The previous prime is 27048421. The next prime is 27048449. The reversal of 27048431 is 13484072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27048431 - 2²² = 22854127 is a prime.

It is a super-2 number, since 2×27048431² = 1463235239123522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27048394 and 27048403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27048421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85985 + ... + 86298.

It is an arithmetic number, because the mean of its divisors is an integer number (6805218).

Almost surely, 2^27048431 is an apocalyptic number.

27048431 is a deficient number, since it is larger than the sum of its proper divisors (172441).

27048431 is a wasteful number, since it uses less digits than its factorization.

27048431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172440.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 27048431 is about 5200.8106098953. The cubic root of 27048431 is about 300.1792669306.

The spelling of 27048431 in words is "twenty-seven million, forty-eight thousand, four hundred thirty-one".