27500250131 has 4 divisors (see below), whose sum is σ = 27559904064. Its totient is φ = 27440596200.

The previous prime is 27500250119. The next prime is 27500250139. The reversal of 27500250131 is 13105200572.

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 27500250131 - 2³⁴ = 10320380947 is a prime.

It is a super-2 number, since 2×27500250131² (a number of 22 digits) contains 22 as substring.

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 27500250131.

It is not an unprimeable number, because it can be changed into a prime (27500250139) 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, 29826275 + ... + 29827196.

It is an arithmetic number, because the mean of its divisors is an integer number (6889976016).

Almost surely, 2^27500250131 is an apocalyptic number.

27500250131 is a deficient number, since it is larger than the sum of its proper divisors (59653933).

27500250131 is an equidigital number, since it uses as much as digits as its factorization.

27500250131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59653932.

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 27500250131 in words is "twenty-seven billion, five hundred million, two hundred fifty thousand, one hundred thirty-one".