25480027297 has 2 divisors, whose sum is σ = 25480027298. Its totient is φ = 25480027296.

The previous prime is 25480027291. The next prime is 25480027343. The reversal of 25480027297 is 79272008452.

It is an a-pointer prime, because the next prime (25480027343) can be obtained adding 25480027297 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24493502016 + 986525281 = 156504^2 + 31409^2 .

It is a cyclic number.

It is not a de Polignac number, because 25480027297 - 2⁷ = 25480027169 is a prime.

It is not a weakly prime, because it can be changed into another prime (25480027291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12740013648 + 12740013649.

It is an arithmetic number, because the mean of its divisors is an integer number (12740013649).

Almost surely, 2^25480027297 is an apocalyptic number.

It is an amenable number.

25480027297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25480027297 is an equidigital number, since it uses as much as digits as its factorization.

25480027297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 25480027297 in words is "twenty-five billion, four hundred eighty million, twenty-seven thousand, two hundred ninety-seven".