25305941 has 2 divisors, whose sum is σ = 25305942. Its totient is φ = 25305940.

The previous prime is 25305937. The next prime is 25305947. The reversal of 25305941 is 14950352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 5041 = 5030^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 25305941 - 2² = 25305937 is a prime.

It is equal to p_1583804 and since 25305941 and 1583804 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25305947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652970 + 12652971.

It is an arithmetic number, because the mean of its divisors is an integer number (12652971).

Almost surely, 2^25305941 is an apocalyptic number.

It is an amenable number.

25305941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25305941 is an equidigital number, since it uses as much as digits as its factorization.

25305941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 25305941 is about 5030.5010684821. The cubic root of 25305941 is about 293.5897102876.

The spelling of 25305941 in words is "twenty-five million, three hundred five thousand, nine hundred forty-one".