2530351403 has 4 divisors (see below), whose sum is σ = 2531791680. Its totient is φ = 2528911128.

The previous prime is 2530351399. The next prime is 2530351423. The reversal of 2530351403 is 3041530352.

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 2530351403 - 2² = 2530351399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530351423) 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, 717500 + ... + 721017.

It is an arithmetic number, because the mean of its divisors is an integer number (632947920).

Almost surely, 2^2530351403 is an apocalyptic number.

2530351403 is a deficient number, since it is larger than the sum of its proper divisors (1440277).

2530351403 is a wasteful number, since it uses less digits than its factorization.

2530351403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440276.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2530351403 is about 50302.5983722511. The cubic root of 2530351403 is about 1362.6791555008.

Adding to 2530351403 its reverse (3041530352), we get a palindrome (5571881755).

The spelling of 2530351403 in words is "two billion, five hundred thirty million, three hundred fifty-one thousand, four hundred three".