25322438601 has 12 divisors (see below), whose sum is σ = 36900546228. Its totient is φ = 16732230144.

The previous prime is 25322438599. The next prime is 25322438627. The reversal of 25322438601 is 10683422352.

25322438601 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 2 + 43 + 8 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200505600 + 25121933001 = 14160^2 + 158499^2 .

It is not a de Polignac number, because 25322438601 - 2¹ = 25322438599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25322438641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12448560 + ... + 12450593.

It is an arithmetic number, because the mean of its divisors is an integer number (3075045519).

Almost surely, 2^25322438601 is an apocalyptic number.

It is an amenable number.

25322438601 is a deficient number, since it is larger than the sum of its proper divisors (11578107627).

25322438601 is a wasteful number, since it uses less digits than its factorization.

25322438601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24899272 (or 24899269 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 25322438601 in words is "twenty-five billion, three hundred twenty-two million, four hundred thirty-eight thousand, six hundred one".