25238767 has 2 divisors, whose sum is σ = 25238768. Its totient is φ = 25238766.

The previous prime is 25238753. The next prime is 25238779. The reversal of 25238767 is 76783252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25238767 - 2¹⁹ = 24714479 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25238737) 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, 12619383 + 12619384.

It is an arithmetic number, because the mean of its divisors is an integer number (12619384).

Almost surely, 2^25238767 is an apocalyptic number.

25238767 is a deficient number, since it is larger than the sum of its proper divisors (1).

25238767 is an equidigital number, since it uses as much as digits as its factorization.

25238767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 25238767 is about 5023.8199609461. The cubic root of 25238767 is about 293.3297045293.

The spelling of 25238767 in words is "twenty-five million, two hundred thirty-eight thousand, seven hundred sixty-seven".