2127557 has 2 divisors, whose sum is σ = 2127558. Its totient is φ = 2127556.

The previous prime is 2127553. The next prime is 2127607. The reversal of 2127557 is 7557212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 51076 = 1441^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 2127557 - 2² = 2127553 is a prime.

It is a Chen prime.

It is a plaindrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063778 + 1063779.

It is an arithmetic number, because the mean of its divisors is an integer number (1063779).

2^2127557 is an apocalyptic number.

It is an amenable number.

2127557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127557 is an equidigital number, since it uses as much as digits as its factorization.

2127557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4900, while the sum is 29.

The square root of 2127557 is about 1458.6147537990. The cubic root of 2127557 is about 128.6156256636.

The spelling of 2127557 in words is "two million, one hundred twenty-seven thousand, five hundred fifty-seven".