2137872527 has 4 divisors (see below), whose sum is σ = 2443282896. Its totient is φ = 1832462160.

The previous prime is 2137872523. The next prime is 2137872577. The reversal of 2137872527 is 7252787312.

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 2137872527 - 2² = 2137872523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137872523) 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, 152705174 + ... + 152705187.

It is an arithmetic number, because the mean of its divisors is an integer number (610820724).

Almost surely, 2^2137872527 is an apocalyptic number.

2137872527 is a deficient number, since it is larger than the sum of its proper divisors (305410369).

2137872527 is an equidigital number, since it uses as much as digits as its factorization.

2137872527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305410368.

The product of its digits is 329280, while the sum is 44.

The square root of 2137872527 is about 46237.1336373699. The cubic root of 2137872527 is about 1288.2315625272.

The spelling of 2137872527 in words is "two billion, one hundred thirty-seven million, eight hundred seventy-two thousand, five hundred twenty-seven".