25041539 has 2 divisors, whose sum is σ = 25041540. Its totient is φ = 25041538.

The previous prime is 25041509. The next prime is 25041559. The reversal of 25041539 is 93514052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25041539 - 2¹² = 25037443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25041509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520769 + 12520770.

It is an arithmetic number, because the mean of its divisors is an integer number (12520770).

Almost surely, 2^25041539 is an apocalyptic number.

25041539 is a deficient number, since it is larger than the sum of its proper divisors (1).

25041539 is an equidigital number, since it uses as much as digits as its factorization.

25041539 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25041539 is about 5004.1521759435. The cubic root of 25041539 is about 292.5636319058.

The spelling of 25041539 in words is "twenty-five million, forty-one thousand, five hundred thirty-nine".