25301302403 has 16 divisors (see below), whose sum is σ = 27698733216. Its totient is φ = 22971486720.

The previous prime is 25301302399. The next prime is 25301302409. The reversal of 25301302403 is 30420310352.

It is not a de Polignac number, because 25301302403 - 2² = 25301302399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25301302409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126701 + ... + 258177.

It is an arithmetic number, because the mean of its divisors is an integer number (1731170826).

Almost surely, 2^25301302403 is an apocalyptic number.

25301302403 is a deficient number, since it is larger than the sum of its proper divisors (2397430813).

25301302403 is a wasteful number, since it uses less digits than its factorization.

25301302403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131734.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 25301302403 its reverse (30420310352), we get a palindrome (55721612755).

The spelling of 25301302403 in words is "twenty-five billion, three hundred one million, three hundred two thousand, four hundred three".