25475077417 has 2 divisors, whose sum is σ = 25475077418. Its totient is φ = 25475077416.

The previous prime is 25475077409. The next prime is 25475077457. The reversal of 25475077417 is 71477057452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25381587856 + 93489561 = 159316^2 + 9669^2 .

It is a cyclic number.

It is not a de Polignac number, because 25475077417 - 2³ = 25475077409 is a prime.

It is not a weakly prime, because it can be changed into another prime (25475077457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12737538708 + 12737538709.

It is an arithmetic number, because the mean of its divisors is an integer number (12737538709).

Almost surely, 2^25475077417 is an apocalyptic number.

It is an amenable number.

25475077417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25475077417 is an equidigital number, since it uses as much as digits as its factorization.

25475077417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 25475077417 in words is "twenty-five billion, four hundred seventy-five million, seventy-seven thousand, four hundred seventeen".