2554505403 has 4 divisors (see below), whose sum is σ = 3406007208. Its totient is φ = 1703003600.

The previous prime is 2554505381. The next prime is 2554505423. The reversal of 2554505403 is 3045054552.

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 2554505403 - 2⁸ = 2554505147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2554505423) 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, 425750898 + ... + 425750903.

It is an arithmetic number, because the mean of its divisors is an integer number (851501802).

Almost surely, 2^2554505403 is an apocalyptic number.

2554505403 is a deficient number, since it is larger than the sum of its proper divisors (851501805).

2554505403 is an equidigital number, since it uses as much as digits as its factorization.

2554505403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851501804.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 2554505403 is about 50542.1151417311. The cubic root of 2554505403 is about 1367.0013449701.

Adding to 2554505403 its reverse (3045054552), we get a palindrome (5599559955).

The spelling of 2554505403 in words is "two billion, five hundred fifty-four million, five hundred five thousand, four hundred three".