27290413 has 2 divisors, whose sum is σ = 27290414. Its totient is φ = 27290412.

The previous prime is 27290411. The next prime is 27290429. The reversal of 27290413 is 31409272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20097289 + 7193124 = 4483^2 + 2682^2 .

It is a cyclic number.

It is not a de Polignac number, because 27290413 - 2¹ = 27290411 is a prime.

Together with 27290411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27290411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13645206 + 13645207.

It is an arithmetic number, because the mean of its divisors is an integer number (13645207).

Almost surely, 2^27290413 is an apocalyptic number.

It is an amenable number.

27290413 is a deficient number, since it is larger than the sum of its proper divisors (1).

27290413 is an equidigital number, since it uses as much as digits as its factorization.

27290413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27290413 is about 5224.0226837180. The cubic root of 27290413 is about 301.0717701729.

Adding to 27290413 its reverse (31409272), we get a palindrome (58699685).

The spelling of 27290413 in words is "twenty-seven million, two hundred ninety thousand, four hundred thirteen".