1540852 has 12 divisors (see below), whose sum is σ = 2705220. Its totient is φ = 767936.

The previous prime is 1540849. The next prime is 1540859. The reversal of 1540852 is 2580451.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 512656 = 1014^2 + 716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540859) 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 in 3 ways as a sum of consecutive naturals, for example, 1938 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (225435).

2^1540852 is an apocalyptic number.

It is an amenable number.

1540852 is a deficient number, since it is larger than the sum of its proper divisors (1164368).

1540852 is a wasteful number, since it uses less digits than its factorization.

1540852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1540852 is about 1241.3105977152. The cubic root of 1540852 is about 115.5013274211.

The spelling of 1540852 in words is "one million, five hundred forty thousand, eight hundred fifty-two".