1350641 has 2 divisors, whose sum is σ = 1350642. Its totient is φ = 1350640.

The previous prime is 1350623. The next prime is 1350647. The reversal of 1350641 is 1460531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 5041 = 1160^2 + 71^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1350641 is a prime.

It is a super-2 number, since 2×1350641² = 3648462221762, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1350647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675320 + 675321.

It is an arithmetic number, because the mean of its divisors is an integer number (675321).

2^1350641 is an apocalyptic number.

It is an amenable number.

1350641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350641 is an equidigital number, since it uses as much as digits as its factorization.

1350641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1350641 is about 1162.1708136070. The cubic root of 1350641 is about 110.5384345187.

It can be divided in two parts, 1350 and 641, that added together give a palindrome (1991).

The spelling of 1350641 in words is "one million, three hundred fifty thousand, six hundred forty-one".