27257313 has 8 divisors (see below), whose sum is σ = 37188448. Its totient is φ = 17748864.

The previous prime is 27257311. The next prime is 27257353. The reversal of 27257313 is 31375272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27257313 - 2¹ = 27257311 is a prime.

It is a super-2 number, since 2×27257313² = 1485922223959938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27257311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105520 + ... + 105777.

It is an arithmetic number, because the mean of its divisors is an integer number (4648556).

Almost surely, 2^27257313 is an apocalyptic number.

It is an amenable number.

27257313 is a deficient number, since it is larger than the sum of its proper divisors (9931135).

27257313 is a wasteful number, since it uses less digits than its factorization.

27257313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211343.

The product of its digits is 8820, while the sum is 30.

The square root of 27257313 is about 5220.8536658290. The cubic root of 27257313 is about 300.9499996048.

The spelling of 27257313 in words is "twenty-seven million, two hundred fifty-seven thousand, three hundred thirteen".