25829767 has 2 divisors, whose sum is σ = 25829768. Its totient is φ = 25829766.

The previous prime is 25829717. The next prime is 25829777. The reversal of 25829767 is 76792852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25829767 - 2¹⁵ = 25796999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25829707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914883 + 12914884.

It is an arithmetic number, because the mean of its divisors is an integer number (12914884).

Almost surely, 2^25829767 is an apocalyptic number.

25829767 is a deficient number, since it is larger than the sum of its proper divisors (1).

25829767 is an equidigital number, since it uses as much as digits as its factorization.

25829767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 25829767 is about 5082.2993811856. The cubic root of 25829767 is about 295.6016334202.

The spelling of 25829767 in words is "twenty-five million, eight hundred twenty-nine thousand, seven hundred sixty-seven".