25324787 has 2 divisors, whose sum is σ = 25324788. Its totient is φ = 25324786.

The previous prime is 25324729. The next prime is 25324811. The reversal of 25324787 is 78742352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25324787 - 2⁶ = 25324723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25324787.

It is not a weakly prime, because it can be changed into another prime (25324087) 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, 12662393 + 12662394.

It is an arithmetic number, because the mean of its divisors is an integer number (12662394).

Almost surely, 2^25324787 is an apocalyptic number.

25324787 is a deficient number, since it is larger than the sum of its proper divisors (1).

25324787 is an equidigital number, since it uses as much as digits as its factorization.

25324787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 25324787 is about 5032.3738931045. The cubic root of 25324787 is about 293.6625735298.

It can be divided in two parts, 253 and 24787, that multiplied together give a triangular number (6271111 = T₃₅₄₁).

The spelling of 25324787 in words is "twenty-five million, three hundred twenty-four thousand, seven hundred eighty-seven".