2053397 has 2 divisors, whose sum is σ = 2053398. Its totient is φ = 2053396.

The previous prime is 2053361. The next prime is 2053411. The reversal of 2053397 is 7933502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1661521 + 391876 = 1289^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053397 - 2⁶ = 2053333 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2053307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026698 + 1026699.

It is an arithmetic number, because the mean of its divisors is an integer number (1026699).

2^2053397 is an apocalyptic number.

It is an amenable number.

2053397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053397 is an equidigital number, since it uses as much as digits as its factorization.

2053397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 2053397 is about 1432.9678991520. The cubic root of 2053397 is about 127.1035384399.

Adding to 2053397 its reverse (7933502), we get a palindrome (9986899).

The spelling of 2053397 in words is "two million, fifty-three thousand, three hundred ninety-seven".