2053457 has 4 divisors (see below), whose sum is σ = 2346816. Its totient is φ = 1760100.

The previous prime is 2053439. The next prime is 2053459. The reversal of 2053457 is 7543502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7543502 = 2 ⋅3771751.

It is a cyclic number.

It is not a de Polignac number, because 2053457 - 2⁸ = 2053201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053459) 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, 146669 + ... + 146682.

It is an arithmetic number, because the mean of its divisors is an integer number (586704).

2^2053457 is an apocalyptic number.

It is an amenable number.

2053457 is a deficient number, since it is larger than the sum of its proper divisors (293359).

2053457 is an equidigital number, since it uses as much as digits as its factorization.

2053457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293358.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2053457 is about 1432.9888345692. The cubic root of 2053457 is about 127.1047764109.

Adding to 2053457 its reverse (7543502), we get a palindrome (9596959).

The spelling of 2053457 in words is "two million, fifty-three thousand, four hundred fifty-seven".