27456261 has 8 divisors (see below), whose sum is σ = 41838144. Its totient is φ = 15689280.

The previous prime is 27456251. The next prime is 27456263. The reversal of 27456261 is 16265472.

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

It is not a de Polignac number, because 27456261 - 2¹⁵ = 27423493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27456263) 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, 653700 + ... + 653741.

It is an arithmetic number, because the mean of its divisors is an integer number (5229768).

Almost surely, 2^27456261 is an apocalyptic number.

27456261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27456261 is a deficient number, since it is larger than the sum of its proper divisors (14381883).

27456261 is a wasteful number, since it uses less digits than its factorization.

27456261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307451.

The product of its digits is 20160, while the sum is 33.

The square root of 27456261 is about 5239.8722312667. The cubic root of 27456261 is about 301.6804252176.

The spelling of 27456261 in words is "twenty-seven million, four hundred fifty-six thousand, two hundred sixty-one".