2251433 has 8 divisors (see below), whose sum is σ = 2336040. Its totient is φ = 2168320.

The previous prime is 2251427. The next prime is 2251451. The reversal of 2251433 is 3341522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 283024 + 1968409 = 532^2 + 1403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251433 - 2⁶ = 2251369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (292005).

2^2251433 is an apocalyptic number.

It is an amenable number.

2251433 is a deficient number, since it is larger than the sum of its proper divisors (84607).

2251433 is an equidigital number, since it uses as much as digits as its factorization.

2251433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747.

The product of its digits is 720, while the sum is 20.

The square root of 2251433 is about 1500.4775906357. The cubic root of 2251433 is about 131.0648824913.

Adding to 2251433 its reverse (3341522), we get a palindrome (5592955).

The spelling of 2251433 in words is "two million, two hundred fifty-one thousand, four hundred thirty-three".