27385497 has 6 divisors (see below), whose sum is σ = 39556842. Its totient is φ = 18256992.

The previous prime is 27385451. The next prime is 27385543. The reversal of 27385497 is 79458372.

It is an interprime number because it is at equal distance from previous prime (27385451) and next prime (27385543).

It can be written as a sum of positive squares in only one way, i.e., 22810176 + 4575321 = 4776^2 + 2139^2 .

It is not a de Polignac number, because 27385497 - 2¹⁵ = 27352729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27385297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1521408 + ... + 1521425.

It is an arithmetic number, because the mean of its divisors is an integer number (6592807).

Almost surely, 2^27385497 is an apocalyptic number.

It is an amenable number.

27385497 is a deficient number, since it is larger than the sum of its proper divisors (12171345).

27385497 is a wasteful number, since it uses less digits than its factorization.

27385497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042839 (or 3042836 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 27385497 is about 5233.1154200916. The cubic root of 27385497 is about 301.4210249988.

The spelling of 27385497 in words is "twenty-seven million, three hundred eighty-five thousand, four hundred ninety-seven".