25700010601 has 2 divisors, whose sum is σ = 25700010602. Its totient is φ = 25700010600.

The previous prime is 25700010599. The next prime is 25700010613. The reversal of 25700010601 is 10601000752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24845325376 + 854685225 = 157624^2 + 29235^2 .

It is a cyclic number.

It is not a de Polignac number, because 25700010601 - 2¹ = 25700010599 is a prime.

Together with 25700010599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25700010691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12850005300 + 12850005301.

It is an arithmetic number, because the mean of its divisors is an integer number (12850005301).

Almost surely, 2^25700010601 is an apocalyptic number.

It is an amenable number.

25700010601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25700010601 is an equidigital number, since it uses as much as digits as its factorization.

25700010601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The spelling of 25700010601 in words is "twenty-five billion, seven hundred million, ten thousand, six hundred one".