25430125201 has 24 divisors (see below), whose sum is σ = 28723210880. Its totient is φ = 22376862144.

The previous prime is 25430125187. The next prime is 25430125219. The reversal of 25430125201 is 10252103452.

It is not a de Polignac number, because 25430125201 - 2⁹ = 25430124689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25430125261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848986 + ... + 878428.

Almost surely, 2^25430125201 is an apocalyptic number.

It is an amenable number.

25430125201 is a deficient number, since it is larger than the sum of its proper divisors (3293085679).

25430125201 is a wasteful number, since it uses less digits than its factorization.

25430125201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29593 (or 29564 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 25430125201 its reverse (10252103452), we get a palindrome (35682228653).

The spelling of 25430125201 in words is "twenty-five billion, four hundred thirty million, one hundred twenty-five thousand, two hundred one".