25872683461 has 2 divisors, whose sum is σ = 25872683462. Its totient is φ = 25872683460.

The previous prime is 25872683443. The next prime is 25872683489. The reversal of 25872683461 is 16438627852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21577847236 + 4294836225 = 146894^2 + 65535^2 .

It is a cyclic number.

It is not a de Polignac number, because 25872683461 - 2¹¹ = 25872681413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25872683399 and 25872683408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25872683861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12936341730 + 12936341731.

It is an arithmetic number, because the mean of its divisors is an integer number (12936341731).

Almost surely, 2^25872683461 is an apocalyptic number.

It is an amenable number.

25872683461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25872683461 is an equidigital number, since it uses as much as digits as its factorization.

25872683461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 52.

The spelling of 25872683461 in words is "twenty-five billion, eight hundred seventy-two million, six hundred eighty-three thousand, four hundred sixty-one".