25900630253 has 2 divisors, whose sum is σ = 25900630254. Its totient is φ = 25900630252.

The previous prime is 25900630243. The next prime is 25900630267. The reversal of 25900630253 is 35203600952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19291265449 + 6609364804 = 138893^2 + 81298^2 .

It is a cyclic number.

It is not a de Polignac number, because 25900630253 - 2¹⁶ = 25900564717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25900630243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12950315126 + 12950315127.

It is an arithmetic number, because the mean of its divisors is an integer number (12950315127).

Almost surely, 2^25900630253 is an apocalyptic number.

It is an amenable number.

25900630253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25900630253 is an equidigital number, since it uses as much as digits as its factorization.

25900630253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 25900630253 in words is "twenty-five billion, nine hundred million, six hundred thirty thousand, two hundred fifty-three".