25111201 has 2 divisors, whose sum is σ = 25111202. Its totient is φ = 25111200.

The previous prime is 25111189. The next prime is 25111211. The reversal of 25111201 is 10211152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 5760000 = 4399^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 25111201 - 2⁹ = 25110689 is a prime.

It is not a weakly prime, because it can be changed into another prime (25111211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555600 + 12555601.

It is an arithmetic number, because the mean of its divisors is an integer number (12555601).

Almost surely, 2^25111201 is an apocalyptic number.

It is an amenable number.

25111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25111201 is an equidigital number, since it uses as much as digits as its factorization.

25111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 25111201 is about 5011.1077617629. The cubic root of 25111201 is about 292.8346708685.

Adding to 25111201 its reverse (10211152), we get a palindrome (35322353).

The spelling of 25111201 in words is "twenty-five million, one hundred eleven thousand, two hundred one".