2169252 has 18 divisors (see below), whose sum is σ = 5483478. Its totient is φ = 723072.

The previous prime is 2169227. The next prime is 2169281. The reversal of 2169252 is 2529612.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 112896 = 1434^2 + 336^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30093 + ... + 30164.

2^2169252 is an apocalyptic number.

It is an amenable number.

2169252 is an abundant number, since it is smaller than the sum of its proper divisors (3314226).

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

2169252 is a wasteful number, since it uses less digits than its factorization.

2169252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60267 (or 60262 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2169252 is about 1472.8380766398. The cubic root of 2169252 is about 129.4503817504.

The spelling of 2169252 in words is "two million, one hundred sixty-nine thousand, two hundred fifty-two".