2138527 has 2 divisors, whose sum is σ = 2138528. Its totient is φ = 2138526.

The previous prime is 2138503. The next prime is 2138531. The reversal of 2138527 is 7258312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2138527 - 2⁷ = 2138399 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2138495 and 2138504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2138537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069263 + 1069264.

It is an arithmetic number, because the mean of its divisors is an integer number (1069264).

2^2138527 is an apocalyptic number.

2138527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138527 is an equidigital number, since it uses as much as digits as its factorization.

2138527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 2138527 is about 1462.3703361324. The cubic root of 2138527 is about 128.8363005780.

It can be divided in two parts, 21385 and 27, that added together give a palindrome (21412).

The spelling of 2138527 in words is "two million, one hundred thirty-eight thousand, five hundred twenty-seven".