25400041201 has 2 divisors, whose sum is σ = 25400041202. Its totient is φ = 25400041200.

The previous prime is 25400041171. The next prime is 25400041267. The reversal of 25400041201 is 10214000452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18899650576 + 6500390625 = 137476^2 + 80625^2 .

It is a cyclic number.

It is not a de Polignac number, because 25400041201 - 2¹⁹ = 25399516913 is a prime.

It is not a weakly prime, because it can be changed into another prime (25400041291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12700020600 + 12700020601.

It is an arithmetic number, because the mean of its divisors is an integer number (12700020601).

Almost surely, 2^25400041201 is an apocalyptic number.

It is an amenable number.

25400041201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25400041201 is an equidigital number, since it uses as much as digits as its factorization.

25400041201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 25400041201 its reverse (10214000452), we get a palindrome (35614041653).

The spelling of 25400041201 in words is "twenty-five billion, four hundred million, forty-one thousand, two hundred one".