27140357 has 2 divisors, whose sum is σ = 27140358. Its totient is φ = 27140356.

The previous prime is 27140329. The next prime is 27140359. The reversal of 27140357 is 75304172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20349121 + 6791236 = 4511^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 27140357 - 2⁸ = 27140101 is a prime.

Together with 27140359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27140359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13570178 + 13570179.

It is an arithmetic number, because the mean of its divisors is an integer number (13570179).

Almost surely, 2^27140357 is an apocalyptic number.

It is an amenable number.

27140357 is a deficient number, since it is larger than the sum of its proper divisors (1).

27140357 is an equidigital number, since it uses as much as digits as its factorization.

27140357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 27140357 is about 5209.6407745640. The cubic root of 27140357 is about 300.5189425519.

The spelling of 27140357 in words is "twenty-seven million, one hundred forty thousand, three hundred fifty-seven".