1540753 has 2 divisors, whose sum is σ = 1540754. Its totient is φ = 1540752.

The previous prime is 1540751. The next prime is 1540783. The reversal of 1540753 is 3570451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937024 + 603729 = 968^2 + 777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540753 - 2¹ = 1540751 is a prime.

It is a super-3 number, since 3×1540753³ = 10972872193225613331, which contains 333 as substring.

Together with 1540751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1540751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770376 + 770377.

It is an arithmetic number, because the mean of its divisors is an integer number (770377).

2^1540753 is an apocalyptic number.

It is an amenable number.

1540753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540753 is an equidigital number, since it uses as much as digits as its factorization.

1540753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1540753 is about 1241.2707198673. The cubic root of 1540753 is about 115.4988537083.

The spelling of 1540753 in words is "one million, five hundred forty thousand, seven hundred fifty-three".