2530344403 has 8 divisors (see below), whose sum is σ = 2620218240. Its totient is φ = 2440986240.

The previous prime is 2530344389. The next prime is 2530344407. The reversal of 2530344403 is 3044430352.

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 2530344403 - 2⁵ = 2530344371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530344407) 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, 118918 + ... + 138571.

It is an arithmetic number, because the mean of its divisors is an integer number (327527280).

Almost surely, 2^2530344403 is an apocalyptic number.

2530344403 is a deficient number, since it is larger than the sum of its proper divisors (89873837).

2530344403 is a wasteful number, since it uses less digits than its factorization.

2530344403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257837.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 2530344403 is about 50302.5287932923. The cubic root of 2530344403 is about 1362.6778989213.

Adding to 2530344403 its reverse (3044430352), we get a palindrome (5574774755).

The spelling of 2530344403 in words is "two billion, five hundred thirty million, three hundred forty-four thousand, four hundred three".