25488367357 has 2 divisors, whose sum is σ = 25488367358. Its totient is φ = 25488367356.

The previous prime is 25488367343. The next prime is 25488367363. The reversal of 25488367357 is 75376388452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16530502041 + 8957865316 = 128571^2 + 94646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25488367357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25488367337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12744183678 + 12744183679.

It is an arithmetic number, because the mean of its divisors is an integer number (12744183679).

Almost surely, 2^25488367357 is an apocalyptic number.

It is an amenable number.

25488367357 is a deficient number, since it is larger than the sum of its proper divisors (1).

25488367357 is an equidigital number, since it uses as much as digits as its factorization.

25488367357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 58.

The spelling of 25488367357 in words is "twenty-five billion, four hundred eighty-eight million, three hundred sixty-seven thousand, three hundred fifty-seven".