27152969 has 2 divisors, whose sum is σ = 27152970. Its totient is φ = 27152968.

The previous prime is 27152959. The next prime is 27152987. The reversal of 27152969 is 96925172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21977344 + 5175625 = 4688^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 27152969 - 2¹² = 27148873 is a prime.

It is a super-2 number, since 2×27152969² = 1474567451029922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27152959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13576484 + 13576485.

It is an arithmetic number, because the mean of its divisors is an integer number (13576485).

Almost surely, 2^27152969 is an apocalyptic number.

It is an amenable number.

27152969 is a deficient number, since it is larger than the sum of its proper divisors (1).

27152969 is an equidigital number, since it uses as much as digits as its factorization.

27152969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 27152969 is about 5210.8510821170. The cubic root of 27152969 is about 300.5654852702.

The spelling of 27152969 in words is "twenty-seven million, one hundred fifty-two thousand, nine hundred sixty-nine".