27925369 has 2 divisors, whose sum is σ = 27925370. Its totient is φ = 27925368.

The previous prime is 27925367. The next prime is 27925409. The reversal of 27925369 is 96352972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 1010025 = 5188^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 27925369 - 2¹ = 27925367 is a prime.

It is a super-2 number, since 2×27925369² = 1559652467572322, which contains 22 as substring.

Together with 27925367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27925367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962684 + 13962685.

It is an arithmetic number, because the mean of its divisors is an integer number (13962685).

Almost surely, 2^27925369 is an apocalyptic number.

It is an amenable number.

27925369 is a deficient number, since it is larger than the sum of its proper divisors (1).

27925369 is an equidigital number, since it uses as much as digits as its factorization.

27925369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 27925369 is about 5284.4459501446. The cubic root of 27925369 is about 303.3888670479.

The spelling of 27925369 in words is "twenty-seven million, nine hundred twenty-five thousand, three hundred sixty-nine".