25247938823 has 2 divisors, whose sum is σ = 25247938824. Its totient is φ = 25247938822.

The previous prime is 25247938811. The next prime is 25247938847. The reversal of 25247938823 is 32883974252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25247938823 - 2¹⁴ = 25247922439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25247938423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12623969411 + 12623969412.

It is an arithmetic number, because the mean of its divisors is an integer number (12623969412).

Almost surely, 2^25247938823 is an apocalyptic number.

25247938823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25247938823 is an equidigital number, since it uses as much as digits as its factorization.

25247938823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 53.

The spelling of 25247938823 in words is "twenty-five billion, two hundred forty-seven million, nine hundred thirty-eight thousand, eight hundred twenty-three".