25201302349 has 2 divisors, whose sum is σ = 25201302350. Its totient is φ = 25201302348.

The previous prime is 25201302341. The next prime is 25201302449. The reversal of 25201302349 is 94320310252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14485326025 + 10715976324 = 120355^2 + 103518^2 .

It is a cyclic number.

It is not a de Polignac number, because 25201302349 - 2³ = 25201302341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25201302349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25201302341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600651174 + 12600651175.

It is an arithmetic number, because the mean of its divisors is an integer number (12600651175).

Almost surely, 2^25201302349 is an apocalyptic number.

It is an amenable number.

25201302349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25201302349 is an equidigital number, since it uses as much as digits as its factorization.

25201302349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 25201302349 in words is "twenty-five billion, two hundred one million, three hundred two thousand, three hundred forty-nine".