27059131 has 4 divisors (see below), whose sum is σ = 29519064. Its totient is φ = 24599200.

The previous prime is 27059113. The next prime is 27059147. The reversal of 27059131 is 13195072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27059131 - 2⁷ = 27059003 is a prime.

It is a super-4 number, since 4×27059131⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27059131.

It is not an unprimeable number, because it can be changed into a prime (27059101) 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, 1229950 + ... + 1229971.

It is an arithmetic number, because the mean of its divisors is an integer number (7379766).

Almost surely, 2^27059131 is an apocalyptic number.

27059131 is the 2781-st centered heptagonal number.

27059131 is a deficient number, since it is larger than the sum of its proper divisors (2459933).

27059131 is a wasteful number, since it uses less digits than its factorization.

27059131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459932.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 27059131 is about 5201.8391939775. The cubic root of 27059131 is about 300.2188440225.

The spelling of 27059131 in words is "twenty-seven million, fifty-nine thousand, one hundred thirty-one".