25060581349 has 2 divisors, whose sum is σ = 25060581350. Its totient is φ = 25060581348.

The previous prime is 25060581347. The next prime is 25060581361. The reversal of 25060581349 is 94318506052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24847216900 + 213364449 = 157630^2 + 14607^2 .

It is a cyclic number.

It is not a de Polignac number, because 25060581349 - 2¹ = 25060581347 is a prime.

Together with 25060581347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25060581341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530290674 + 12530290675.

It is an arithmetic number, because the mean of its divisors is an integer number (12530290675).

Almost surely, 2^25060581349 is an apocalyptic number.

It is an amenable number.

25060581349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25060581349 is an equidigital number, since it uses as much as digits as its factorization.

25060581349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 25060581349 in words is "twenty-five billion, sixty million, five hundred eighty-one thousand, three hundred forty-nine".