25672128233 has 2 divisors, whose sum is σ = 25672128234. Its totient is φ = 25672128232.

The previous prime is 25672128169. The next prime is 25672128257. The reversal of 25672128233 is 33282127652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23801392729 + 1870735504 = 154277^2 + 43252^2 .

It is a cyclic number.

It is not a de Polignac number, because 25672128233 - 2⁶ = 25672128169 is a prime.

It is not a weakly prime, because it can be changed into another prime (25672128263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12836064116 + 12836064117.

It is an arithmetic number, because the mean of its divisors is an integer number (12836064117).

Almost surely, 2^25672128233 is an apocalyptic number.

It is an amenable number.

25672128233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25672128233 is an equidigital number, since it uses as much as digits as its factorization.

25672128233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The spelling of 25672128233 in words is "twenty-five billion, six hundred seventy-two million, one hundred twenty-eight thousand, two hundred thirty-three".