25004920601 has 2 divisors, whose sum is σ = 25004920602. Its totient is φ = 25004920600.

The previous prime is 25004920529. The next prime is 25004920609. The reversal of 25004920601 is 10602940052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20121706201 + 4883214400 = 141851^2 + 69880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25004920601 is a prime.

It is not a weakly prime, because it can be changed into another prime (25004920609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502460300 + 12502460301.

It is an arithmetic number, because the mean of its divisors is an integer number (12502460301).

Almost surely, 2^25004920601 is an apocalyptic number.

It is an amenable number.

25004920601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25004920601 is an equidigital number, since it uses as much as digits as its factorization.

25004920601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 25004920601 in words is "twenty-five billion, four million, nine hundred twenty thousand, six hundred one".