2545554343 has 4 divisors (see below), whose sum is σ = 2546761168. Its totient is φ = 2544347520.

The previous prime is 2545554299. The next prime is 2545554359. The reversal of 2545554343 is 3434555452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2545554343 - 2¹³ = 2545546151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2545554296 and 2545554305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545554043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600243 + ... + 604468.

It is an arithmetic number, because the mean of its divisors is an integer number (636690292).

Almost surely, 2^2545554343 is an apocalyptic number.

2545554343 is a deficient number, since it is larger than the sum of its proper divisors (1206825).

2545554343 is a wasteful number, since it uses less digits than its factorization.

2545554343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206824.

The product of its digits is 720000, while the sum is 40.

The square root of 2545554343 is about 50453.4869260788. The cubic root of 2545554343 is about 1365.4028058001.

The spelling of 2545554343 in words is "two billion, five hundred forty-five million, five hundred fifty-four thousand, three hundred forty-three".