25272135233 has 2 divisors, whose sum is σ = 25272135234. Its totient is φ = 25272135232.

The previous prime is 25272135223. The next prime is 25272135241. The reversal of 25272135233 is 33253127252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25012055104 + 260080129 = 158152^2 + 16127^2 .

It is a cyclic number.

It is not a de Polignac number, because 25272135233 - 2⁶ = 25272135169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25272135193 and 25272135202.

It is not a weakly prime, because it can be changed into another prime (25272135223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12636067616 + 12636067617.

It is an arithmetic number, because the mean of its divisors is an integer number (12636067617).

Almost surely, 2^25272135233 is an apocalyptic number.

It is an amenable number.

25272135233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25272135233 is an equidigital number, since it uses as much as digits as its factorization.

25272135233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The spelling of 25272135233 in words is "twenty-five billion, two hundred seventy-two million, one hundred thirty-five thousand, two hundred thirty-three".