25247938783 has 2 divisors, whose sum is σ = 25247938784. Its totient is φ = 25247938782.

The previous prime is 25247938763. The next prime is 25247938811. The reversal of 25247938783 is 38783974252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25247938783 - 2⁹ = 25247938271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25247938763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12623969391 + 12623969392.

It is an arithmetic number, because the mean of its divisors is an integer number (12623969392).

Almost surely, 2^25247938783 is an apocalyptic number.

25247938783 is a deficient number, since it is larger than the sum of its proper divisors (1).

25247938783 is an equidigital number, since it uses as much as digits as its factorization.

25247938783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 58.

The spelling of 25247938783 in words is "twenty-five billion, two hundred forty-seven million, nine hundred thirty-eight thousand, seven hundred eighty-three".