25233967273 has 2 divisors, whose sum is σ = 25233967274. Its totient is φ = 25233967272.

The previous prime is 25233967247. The next prime is 25233967301. The reversal of 25233967273 is 37276933252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14278577049 + 10955390224 = 119493^2 + 104668^2 .

It is a cyclic number.

It is not a de Polignac number, because 25233967273 - 2²¹ = 25231870121 is a prime.

It is not a weakly prime, because it can be changed into another prime (25233967223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12616983636 + 12616983637.

It is an arithmetic number, because the mean of its divisors is an integer number (12616983637).

Almost surely, 2^25233967273 is an apocalyptic number.

It is an amenable number.

25233967273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25233967273 is an equidigital number, since it uses as much as digits as its factorization.

25233967273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 49.

The spelling of 25233967273 in words is "twenty-five billion, two hundred thirty-three million, nine hundred sixty-seven thousand, two hundred seventy-three".