27452987 has 2 divisors, whose sum is σ = 27452988. Its totient is φ = 27452986.

The previous prime is 27452983. The next prime is 27453017. The reversal of 27452987 is 78925472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27452987 - 2² = 27452983 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (27452983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13726493 + 13726494.

It is an arithmetic number, because the mean of its divisors is an integer number (13726494).

Almost surely, 2^27452987 is an apocalyptic number.

27452987 is a deficient number, since it is larger than the sum of its proper divisors (1).

27452987 is an equidigital number, since it uses as much as digits as its factorization.

27452987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 27452987 is about 5239.5598097550. The cubic root of 27452987 is about 301.6684335268.

The spelling of 27452987 in words is "twenty-seven million, four hundred fifty-two thousand, nine hundred eighty-seven".