2345553 has 24 divisors (see below), whose sum is σ = 4000256. Its totient is φ = 1296000.

The previous prime is 2345543. The next prime is 2345573. The reversal of 2345553 is 3555432.

It is not a de Polignac number, because 2345553 - 2⁴ = 2345537 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 3² + 4² + 5² + 5⁸ + 5⁹ + 3⁶ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353 + ... + 2553.

2^2345553 is an apocalyptic number.

It is an amenable number.

2345553 is a deficient number, since it is larger than the sum of its proper divisors (1654703).

2345553 is a wasteful number, since it uses less digits than its factorization.

2345553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1242 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 2345553 is about 1531.5198333681. The cubic root of 2345553 is about 132.8663741666.

The spelling of 2345553 in words is "two million, three hundred forty-five thousand, five hundred fifty-three".