25151323273 has 2 divisors, whose sum is σ = 25151323274. Its totient is φ = 25151323272.

The previous prime is 25151323259. The next prime is 25151323291. The reversal of 25151323273 is 37232315152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17179869184 + 7971454089 = 131072^2 + 89283^2 .

It is a cyclic number.

It is not a de Polignac number, because 25151323273 - 2⁹ = 25151322761 is a prime.

It is not a weakly prime, because it can be changed into another prime (25151323243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575661636 + 12575661637.

It is an arithmetic number, because the mean of its divisors is an integer number (12575661637).

Almost surely, 2^25151323273 is an apocalyptic number.

It is an amenable number.

25151323273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25151323273 is an equidigital number, since it uses as much as digits as its factorization.

25151323273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The spelling of 25151323273 in words is "twenty-five billion, one hundred fifty-one million, three hundred twenty-three thousand, two hundred seventy-three".