25527500299969 has 2 divisors, whose sum is σ = 25527500299970. Its totient is φ = 25527500299968.

The previous prime is 25527500299967. The next prime is 25527500300101. The reversal of 25527500299969 is 96999200572552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19386585120400 + 6140915179569 = 4403020^2 + 2478087^2 .

It is a cyclic number.

It is not a de Polignac number, because 25527500299969 - 2¹ = 25527500299967 is a prime.

It is a super-2 number, since 2×25527500299969² (a number of 28 digits) contains 22 as substring.

Together with 25527500299967, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25527500299898 and 25527500299907.

It is not a weakly prime, because it can be changed into another prime (25527500299967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12763750149984 + 12763750149985.

It is an arithmetic number, because the mean of its divisors is an integer number (12763750149985).

Almost surely, 2^{25527500299969} is an apocalyptic number.

It is an amenable number.

25527500299969 is a deficient number, since it is larger than the sum of its proper divisors (1).

25527500299969 is an equidigital number, since it uses as much as digits as its factorization.

25527500299969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562000, while the sum is 70.

The spelling of 25527500299969 in words is "twenty-five trillion, five hundred twenty-seven billion, five hundred million, two hundred ninety-nine thousand, nine hundred sixty-nine".