25045901 has 2 divisors, whose sum is σ = 25045902. Its totient is φ = 25045900.

The previous prime is 25045897. The next prime is 25045903. The reversal of 25045901 is 10954052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23290276 + 1755625 = 4826^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 25045901 - 2² = 25045897 is a prime.

Together with 25045903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25045903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12522950 + 12522951.

It is an arithmetic number, because the mean of its divisors is an integer number (12522951).

Almost surely, 2^25045901 is an apocalyptic number.

It is an amenable number.

25045901 is a deficient number, since it is larger than the sum of its proper divisors (1).

25045901 is an equidigital number, since it uses as much as digits as its factorization.

25045901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 25045901 is about 5004.5879950302. The cubic root of 25045901 is about 292.5806181950.

Adding to 25045901 its reverse (10954052), we get a palindrome (35999953).

The spelling of 25045901 in words is "twenty-five million, forty-five thousand, nine hundred one".