25474981141 has 2 divisors, whose sum is σ = 25474981142. Its totient is φ = 25474981140.

The previous prime is 25474981093. The next prime is 25474981187. The reversal of 25474981141 is 14118947452.

It is an a-pointer prime, because the next prime (25474981187) can be obtained adding 25474981141 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25073139025 + 401842116 = 158345^2 + 20046^2 .

It is a cyclic number.

It is not a de Polignac number, because 25474981141 - 2¹³ = 25474972949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25474981091 and 25474981100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25474981841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12737490570 + 12737490571.

It is an arithmetic number, because the mean of its divisors is an integer number (12737490571).

Almost surely, 2^25474981141 is an apocalyptic number.

It is an amenable number.

25474981141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25474981141 is an equidigital number, since it uses as much as digits as its factorization.

25474981141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The spelling of 25474981141 in words is "twenty-five billion, four hundred seventy-four million, nine hundred eighty-one thousand, one hundred forty-one".