25278030280253 has 2 divisors, whose sum is σ = 25278030280254. Its totient is φ = 25278030280252.

The previous prime is 25278030280183. The next prime is 25278030280267. The reversal of 25278030280253 is 35208203087252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21377140625764 + 3900889654489 = 4623542^2 + 1975067^2 .

It is a cyclic number.

It is not a de Polignac number, because 25278030280253 - 2²⁴ = 25278013503037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25278030280198 and 25278030280207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25278030280553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12639015140126 + 12639015140127.

It is an arithmetic number, because the mean of its divisors is an integer number (12639015140127).

Almost surely, 2^{25278030280253} is an apocalyptic number.

It is an amenable number.

25278030280253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25278030280253 is an equidigital number, since it uses as much as digits as its factorization.

25278030280253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 25278030280253 in words is "twenty-five trillion, two hundred seventy-eight billion, thirty million, two hundred eighty thousand, two hundred fifty-three".