27249413 has 4 divisors (see below), whose sum is σ = 27346668. Its totient is φ = 27152160.

The previous prime is 27249407. The next prime is 27249463. The reversal of 27249413 is 31494272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7739524 + 19509889 = 2782^2 + 4417^2 .

It is a cyclic number.

It is not a de Polignac number, because 27249413 - 2¹⁴ = 27233029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27249413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27249463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48206 + ... + 48767.

It is an arithmetic number, because the mean of its divisors is an integer number (6836667).

Almost surely, 2^27249413 is an apocalyptic number.

It is an amenable number.

27249413 is a deficient number, since it is larger than the sum of its proper divisors (97255).

27249413 is an equidigital number, since it uses as much as digits as its factorization.

27249413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97254.

The product of its digits is 12096, while the sum is 32.

The square root of 27249413 is about 5220.0970297495. The cubic root of 27249413 is about 300.9209219682.

The spelling of 27249413 in words is "twenty-seven million, two hundred forty-nine thousand, four hundred thirteen".