25321310010004 has 12 divisors (see below), whose sum is σ = 44810183445300. Its totient is φ = 12518400454208.

The previous prime is 25321310009999. The next prime is 25321310010019. The reversal of 25321310010004 is 40001001312352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11816420000004 + 13504890010000 = 3437502^2 + 3674900^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35563637299 + ... + 35563638010.

It is an arithmetic number, because the mean of its divisors is an integer number (3734181953775).

Almost surely, 2^{25321310010004} is an apocalyptic number.

It is an amenable number.

25321310010004 is a deficient number, since it is larger than the sum of its proper divisors (19488873435296).

25321310010004 is a wasteful number, since it uses less digits than its factorization.

25321310010004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71127275402 (or 71127275400 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 25321310010004 its reverse (40001001312352), we get a palindrome (65322311322356).

The spelling of 25321310010004 in words is "twenty-five trillion, three hundred twenty-one billion, three hundred ten million, ten thousand, four".