2253969 has 6 divisors (see below), whose sum is σ = 3255746. Its totient is φ = 1502640.

The previous prime is 2253959. The next prime is 2253971. The reversal of 2253969 is 9693522.

It can be written as a sum of positive squares in only one way, i.e., 2250000 + 3969 = 1500^2 + 63^2 .

It is not a de Polignac number, because 2253969 - 2⁷ = 2253841 is a prime.

It is a super-2 number, since 2×2253969² = 10160752505922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2253919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125212 + ... + 125229.

2^2253969 is an apocalyptic number.

It is an amenable number.

2253969 is a deficient number, since it is larger than the sum of its proper divisors (1001777).

2253969 is a wasteful number, since it uses less digits than its factorization.

2253969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250447 (or 250444 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 2253969 is about 1501.3224170710. The cubic root of 2253969 is about 131.1140742465.

It can be divided in two parts, 225 and 3969, that multiplied together give a square (893025 = 945²).

The spelling of 2253969 in words is "two million, two hundred fifty-three thousand, nine hundred sixty-nine".