1350749 has 2 divisors, whose sum is σ = 1350750. Its totient is φ = 1350748.

The previous prime is 1350743. The next prime is 1350751. The reversal of 1350749 is 9470531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 12100 = 1157^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350749 - 2¹⁶ = 1285213 is a prime.

It is a super-2 number, since 2×1350749² = 3649045722002, which contains 22 as substring.

Together with 1350751, it forms a pair of twin primes.

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 (1350743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675374 + 675375.

It is an arithmetic number, because the mean of its divisors is an integer number (675375).

2^1350749 is an apocalyptic number.

It is an amenable number.

1350749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350749 is an equidigital number, since it uses as much as digits as its factorization.

1350749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1350749 is about 1162.2172774486. The cubic root of 1350749 is about 110.5413807329.

The spelling of 1350749 in words is "one million, three hundred fifty thousand, seven hundred forty-nine".