25145201 has 2 divisors, whose sum is σ = 25145202. Its totient is φ = 25145200.

The previous prime is 25145179. The next prime is 25145203. The reversal of 25145201 is 10254152.

25145201 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 11895601 = 3640^2 + 3449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25145201 is a prime.

It is a super-2 number, since 2×25145201² = 1264562266660802, which contains 22 as substring.

Together with 25145203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25145203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572600 + 12572601.

It is an arithmetic number, because the mean of its divisors is an integer number (12572601).

Almost surely, 2^25145201 is an apocalyptic number.

It is an amenable number.

25145201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25145201 is an equidigital number, since it uses as much as digits as its factorization.

25145201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25145201 is about 5014.4990776747. The cubic root of 25145201 is about 292.9667751118.

Adding to 25145201 its reverse (10254152), we get a palindrome (35399353).

The spelling of 25145201 in words is "twenty-five million, one hundred forty-five thousand, two hundred one".