25321432301 has 16 divisors (see below), whose sum is σ = 27925922880. Its totient is φ = 22768586880.

The previous prime is 25321432291. The next prime is 25321432303. The reversal of 25321432301 is 10323412352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25321432301 - 2¹⁸ = 25321170157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321432303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387110 + ... + 447768.

It is an arithmetic number, because the mean of its divisors is an integer number (1745370180).

Almost surely, 2^25321432301 is an apocalyptic number.

It is an amenable number.

25321432301 is a deficient number, since it is larger than the sum of its proper divisors (2604490579).

25321432301 is a wasteful number, since it uses less digits than its factorization.

25321432301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61084.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 25321432301 its reverse (10323412352), we get a palindrome (35644844653).

The spelling of 25321432301 in words is "twenty-five billion, three hundred twenty-one million, four hundred thirty-two thousand, three hundred one".