27312553 has 2 divisors, whose sum is σ = 27312554. Its totient is φ = 27312552.

The previous prime is 27312547. The next prime is 27312559. The reversal of 27312553 is 35521372.

It is a balanced prime because it is at equal distance from previous prime (27312547) and next prime (27312559).

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 5438224 = 4677^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 27312553 - 2¹⁷ = 27181481 is a prime.

It is not a weakly prime, because it can be changed into another prime (27312559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656276 + 13656277.

It is an arithmetic number, because the mean of its divisors is an integer number (13656277).

Almost surely, 2^27312553 is an apocalyptic number.

It is an amenable number.

27312553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27312553 is an equidigital number, since it uses as much as digits as its factorization.

27312553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 28.

The square root of 27312553 is about 5226.1413107569. The cubic root of 27312553 is about 301.1531653895.

The spelling of 27312553 in words is "twenty-seven million, three hundred twelve thousand, five hundred fifty-three".