27361601 has 2 divisors, whose sum is σ = 27361602. Its totient is φ = 27361600.

The previous prime is 27361591. The next prime is 27361627. The reversal of 27361601 is 10616372.

It is an a-pointer prime, because the next prime (27361627) can be obtained adding 27361601 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 2371600 = 4999^2 + 1540^2 .

It is a cyclic number.

It is not a de Polignac number, because 27361601 - 2²² = 23167297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27363601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13680800 + 13680801.

It is an arithmetic number, because the mean of its divisors is an integer number (13680801).

Almost surely, 2^27361601 is an apocalyptic number.

It is an amenable number.

27361601 is a deficient number, since it is larger than the sum of its proper divisors (1).

27361601 is an equidigital number, since it uses as much as digits as its factorization.

27361601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 27361601 is about 5230.8317694225. The cubic root of 27361601 is about 301.3333283027. Note that the first 4 decimals are identical.

Adding to 27361601 its reverse (10616372), we get a palindrome (37977973).

The spelling of 27361601 in words is "twenty-seven million, three hundred sixty-one thousand, six hundred one".