27252399 has 4 divisors (see below), whose sum is σ = 36336536. Its totient is φ = 18168264.

The previous prime is 27252397. The next prime is 27252409. The reversal of 27252399 is 99325272.

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

It is not a de Polignac number, because 27252399 - 2¹ = 27252397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27252397) 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, 4542064 + ... + 4542069.

It is an arithmetic number, because the mean of its divisors is an integer number (9084134).

Almost surely, 2^27252399 is an apocalyptic number.

27252399 is a deficient number, since it is larger than the sum of its proper divisors (9084137).

27252399 is an equidigital number, since it uses as much as digits as its factorization.

27252399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084136.

The product of its digits is 68040, while the sum is 39.

The square root of 27252399 is about 5220.3830319240. The cubic root of 27252399 is about 300.9319132393.

The spelling of 27252399 in words is "twenty-seven million, two hundred fifty-two thousand, three hundred ninety-nine".