1656252 has 36 divisors (see below), whose sum is σ = 4509960. Its totient is φ = 509472.

The previous prime is 1656251. The next prime is 1656257. The reversal of 1656252 is 2526561.

1656252 is a `hidden beast` number, since 1 + 656 + 2 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656251) 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 11 ways as a sum of consecutive naturals, for example, 1302 + ... + 2237.

2^1656252 is an apocalyptic number.

1656252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1656252 is an abundant number, since it is smaller than the sum of its proper divisors (2853708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1656252 is a wasteful number, since it uses less digits than its factorization.

1656252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3557 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1656252 is about 1286.9545446518. The cubic root of 1656252 is about 118.3156349029.

The spelling of 1656252 in words is "one million, six hundred fifty-six thousand, two hundred fifty-two".