1252538 has 12 divisors (see below), whose sum is σ = 2185722. Its totient is φ = 536760.

The previous prime is 1252523. The next prime is 1252579. The reversal of 1252538 is 8352521.

It can be written as a sum of positive squares in only one way, i.e., 946729 + 305809 = 973^2 + 553^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6293 + ... + 6488.

2^1252538 is an apocalyptic number.

1252538 is a deficient number, since it is larger than the sum of its proper divisors (933184).

1252538 is a wasteful number, since it uses less digits than its factorization.

1252538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797 (or 12790 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1252538 is about 1119.1684412992. The cubic root of 1252538 is about 107.7945912843.

The spelling of 1252538 in words is "one million, two hundred fifty-two thousand, five hundred thirty-eight".