203401302425 has 12 divisors (see below), whose sum is σ = 252231453996. Its totient is φ = 162712113600.

The previous prime is 203401302407. The next prime is 203401302431. The reversal of 203401302425 is 524203104302.

It can be written as a sum of positive squares in 6 ways, for example, as 100999382416 + 102401920009 = 317804^2 + 320003^2 .

It is not a de Polignac number, because 203401302425 - 2⁶ = 203401302361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203401302394 and 203401302403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262235 + ... + 689615.

It is an arithmetic number, because the mean of its divisors is an integer number (21019287833).

Almost surely, 2^203401302425 is an apocalyptic number.

203401302425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203401302425 is a deficient number, since it is larger than the sum of its proper divisors (48830151571).

203401302425 is a wasteful number, since it uses less digits than its factorization.

203401302425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446428 (or 446423 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 203401302425 its reverse (524203104302), we get a palindrome (727604406727).

The spelling of 203401302425 in words is "two hundred three billion, four hundred one million, three hundred two thousand, four hundred twenty-five".