25061801 has 2 divisors, whose sum is σ = 25061802. Its totient is φ = 25061800.

The previous prime is 25061717. The next prime is 25061867. The reversal of 25061801 is 10816052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15202201 + 9859600 = 3899^2 + 3140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25061801 is a prime.

It is not a weakly prime, because it can be changed into another prime (25061891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530900 + 12530901.

It is an arithmetic number, because the mean of its divisors is an integer number (12530901).

Almost surely, 2^25061801 is an apocalyptic number.

It is an amenable number.

25061801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25061801 is an equidigital number, since it uses as much as digits as its factorization.

25061801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 25061801 is about 5006.1762853499. The cubic root of 25061801 is about 292.6425185136.

Adding to 25061801 its reverse (10816052), we get a palindrome (35877853).

The spelling of 25061801 in words is "twenty-five million, sixty-one thousand, eight hundred one".