25286747 has 2 divisors, whose sum is σ = 25286748. Its totient is φ = 25286746.

The previous prime is 25286743. The next prime is 25286749. The reversal of 25286747 is 74768252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25286747 - 2² = 25286743 is a prime.

Together with 25286749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25286743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12643373 + 12643374.

It is an arithmetic number, because the mean of its divisors is an integer number (12643374).

Almost surely, 2^25286747 is an apocalyptic number.

25286747 is a deficient number, since it is larger than the sum of its proper divisors (1).

25286747 is an equidigital number, since it uses as much as digits as its factorization.

25286747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 41.

The square root of 25286747 is about 5028.5929443533. The cubic root of 25286747 is about 293.5154643992.

The spelling of 25286747 in words is "twenty-five million, two hundred eighty-six thousand, seven hundred forty-seven".