25041013 has 2 divisors, whose sum is σ = 25041014. Its totient is φ = 25041012.

The previous prime is 25041001. The next prime is 25041041. The reversal of 25041013 is 31014052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 61009 = 4998^2 + 247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25041013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25041613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520506 + 12520507.

It is an arithmetic number, because the mean of its divisors is an integer number (12520507).

Almost surely, 2^25041013 is an apocalyptic number.

It is an amenable number.

25041013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25041013 is an equidigital number, since it uses as much as digits as its factorization.

25041013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 25041013 is about 5004.0996193121. The cubic root of 25041013 is about 292.5615834488.

Adding to 25041013 its reverse (31014052), we get a palindrome (56055065).

The spelling of 25041013 in words is "twenty-five million, forty-one thousand, thirteen".