2085557 has 4 divisors (see below), whose sum is σ = 2093580. Its totient is φ = 2077536.

The previous prime is 2085539. The next prime is 2085569. The reversal of 2085557 is 7555802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7555802 = 2 ⋅3777901.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 844561 = 1114^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085557 - 2⁶ = 2085493 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 (2085257) 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, 3608 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (523395).

2^2085557 is an apocalyptic number.

It is an amenable number.

2085557 is a deficient number, since it is larger than the sum of its proper divisors (8023).

2085557 is an equidigital number, since it uses as much as digits as its factorization.

2085557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 2085557 is about 1444.1457682658. The cubic root of 2085557 is about 127.7636630212.

The spelling of 2085557 in words is "two million, eighty-five thousand, five hundred fifty-seven".