27340513 has 4 divisors (see below), whose sum is σ = 27521728. Its totient is φ = 27159300.

The previous prime is 27340507. The next prime is 27340519. The reversal of 27340513 is 31504372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (27340507) and next prime (27340519).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27340513 is a prime.

It is a super-2 number, since 2×27340513² = 1495007302206338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27340519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90381 + ... + 90682.

It is an arithmetic number, because the mean of its divisors is an integer number (6880432).

Almost surely, 2^27340513 is an apocalyptic number.

It is an amenable number.

27340513 is a deficient number, since it is larger than the sum of its proper divisors (181215).

27340513 is a wasteful number, since it uses less digits than its factorization.

27340513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181214.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 27340513 is about 5228.8156402765. The cubic root of 27340513 is about 301.2558943539.

Adding to 27340513 its reverse (31504372), we get a palindrome (58844885).

The spelling of 27340513 in words is "twenty-seven million, three hundred forty thousand, five hundred thirteen".