27454913 has 4 divisors (see below), whose sum is σ = 27598848. Its totient is φ = 27310980.

The previous prime is 27454907. The next prime is 27454957. The reversal of 27454913 is 31945472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27454913 - 2⁴ = 27454897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27454963) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 71681 + ... + 72062.

It is an arithmetic number, because the mean of its divisors is an integer number (6899712).

Almost surely, 2^27454913 is an apocalyptic number.

It is an amenable number.

27454913 is a deficient number, since it is larger than the sum of its proper divisors (143935).

27454913 is a wasteful number, since it uses less digits than its factorization.

27454913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143934.

The product of its digits is 30240, while the sum is 35.

The square root of 27454913 is about 5239.7436005973. The cubic root of 27454913 is about 301.6754880089.

The spelling of 27454913 in words is "twenty-seven million, four hundred fifty-four thousand, nine hundred thirteen".