25130555273 has 2 divisors, whose sum is σ = 25130555274. Its totient is φ = 25130555272.

The previous prime is 25130555243. The next prime is 25130555311. The reversal of 25130555273 is 37255503152.

It is a happy number.

It is an a-pointer prime, because the next prime (25130555311) can be obtained adding 25130555273 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23662745929 + 1467809344 = 153827^2 + 38312^2 .

It is a cyclic number.

It is not a de Polignac number, because 25130555273 - 2⁸ = 25130555017 is a prime.

It is not a weakly prime, because it can be changed into another prime (25130555243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565277636 + 12565277637.

It is an arithmetic number, because the mean of its divisors is an integer number (12565277637).

Almost surely, 2^25130555273 is an apocalyptic number.

It is an amenable number.

25130555273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130555273 is an equidigital number, since it uses as much as digits as its factorization.

25130555273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 38.

The spelling of 25130555273 in words is "twenty-five billion, one hundred thirty million, five hundred fifty-five thousand, two hundred seventy-three".