25122767 has 2 divisors, whose sum is σ = 25122768. Its totient is φ = 25122766.

The previous prime is 25122751. The next prime is 25122781. The reversal of 25122767 is 76722152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25122767 - 2⁴ = 25122751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25122367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561383 + 12561384.

It is an arithmetic number, because the mean of its divisors is an integer number (12561384).

Almost surely, 2^25122767 is an apocalyptic number.

25122767 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122767 is an equidigital number, since it uses as much as digits as its factorization.

25122767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 25122767 is about 5012.2616651568. The cubic root of 25122767 is about 292.8796229989.

The spelling of 25122767 in words is "twenty-five million, one hundred twenty-two thousand, seven hundred sixty-seven".