1350257 has 2 divisors, whose sum is σ = 1350258. Its totient is φ = 1350256.

The previous prime is 1350247. The next prime is 1350277. The reversal of 1350257 is 7520531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 287296 = 1031^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350257 - 2⁸ = 1350001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1350247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675128 + 675129.

It is an arithmetic number, because the mean of its divisors is an integer number (675129).

2^1350257 is an apocalyptic number.

It is an amenable number.

1350257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350257 is an equidigital number, since it uses as much as digits as its factorization.

1350257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1350257 is about 1162.0055937903. The cubic root of 1350257 is about 110.5279578186.

Adding to 1350257 its reverse (7520531), we get a palindrome (8870788).

The spelling of 1350257 in words is "one million, three hundred fifty thousand, two hundred fifty-seven".