1253897 has 2 divisors, whose sum is σ = 1253898. Its totient is φ = 1253896.

The previous prime is 1253887. The next prime is 1253909. The reversal of 1253897 is 7983521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 121801 = 1064^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253897 - 2¹⁰ = 1252873 is a prime.

It is a super-5 number, since 5×1253897⁵ (a number of 32 digits) contains 55555 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1253887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626948 + 626949.

It is an arithmetic number, because the mean of its divisors is an integer number (626949).

2^1253897 is an apocalyptic number.

It is an amenable number.

1253897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253897 is an equidigital number, since it uses as much as digits as its factorization.

1253897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 1253897 is about 1119.7754239132. The cubic root of 1253897 is about 107.8335627965.

The spelling of 1253897 in words is "one million, two hundred fifty-three thousand, eight hundred ninety-seven".