2053345 has 36 divisors (see below), whose sum is σ = 3149820. Its totient is φ = 1279488.

The previous prime is 2053339. The next prime is 2053357. The reversal of 2053345 is 5433502.

It can be written as a sum of positive squares in 6 ways, for example, as 112896 + 1940449 = 336^2 + 1393^2 .

It is not a de Polignac number, because 2053345 - 2⁵ = 2053313 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70791 + ... + 70819.

It is an arithmetic number, because the mean of its divisors is an integer number (87495).

2^2053345 is an apocalyptic number.

It is an amenable number.

2053345 is a deficient number, since it is larger than the sum of its proper divisors (1096475).

2053345 is a wasteful number, since it uses less digits than its factorization.

2053345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2053345 is about 1432.9497548763. The cubic root of 2053345 is about 127.1024655121.

Adding to 2053345 its reverse (5433502), we get a palindrome (7486847).

The spelling of 2053345 in words is "two million, fifty-three thousand, three hundred forty-five".