1555252 has 6 divisors (see below), whose sum is σ = 2721698. Its totient is φ = 777624.

The previous prime is 1555249. The next prime is 1555259. The reversal of 1555252 is 2525551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 27556 = 1236^2 + 166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194403 + ... + 194410.

2^1555252 is an apocalyptic number.

It is an amenable number.

1555252 is a deficient number, since it is larger than the sum of its proper divisors (1166446).

1555252 is a wasteful number, since it uses less digits than its factorization.

1555252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388817 (or 388815 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 1555252 is about 1247.0974300350. The cubic root of 1555252 is about 115.8600174307.

Subtracting 1555252 from its reverse (2525551), we obtain a cube (970299 = 99³).

The spelling of 1555252 in words is "one million, five hundred fifty-five thousand, two hundred fifty-two".