1540052 has 6 divisors (see below), whose sum is σ = 2695098. Its totient is φ = 770024.

The previous prime is 1540039. The next prime is 1540073. The reversal of 1540052 is 2500451.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 276676 = 1124^2 + 526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1540052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192503 + ... + 192510.

It is an arithmetic number, because the mean of its divisors is an integer number (449183).

2^1540052 is an apocalyptic number.

It is an amenable number.

1540052 is a deficient number, since it is larger than the sum of its proper divisors (1155046).

1540052 is a wasteful number, since it uses less digits than its factorization.

1540052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385017 (or 385015 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1540052 is about 1240.9883158193. The cubic root of 1540052 is about 115.4813347898.

The spelling of 1540052 in words is "one million, five hundred forty thousand, fifty-two".