25673750610461 has 4 divisors (see below), whose sum is σ = 25673889894624. Its totient is φ = 25673611326300.

The previous prime is 25673750610449. The next prime is 25673750610463. The reversal of 25673750610461 is 16401605737652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25673750610461 - 2⁴² = 21275704099357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25673750610463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69365225 + ... + 69734366.

It is an arithmetic number, because the mean of its divisors is an integer number (6418472473656).

Almost surely, 2^{25673750610461} is an apocalyptic number.

It is an amenable number.

25673750610461 is a deficient number, since it is larger than the sum of its proper divisors (139284163).

25673750610461 is a wasteful number, since it uses less digits than its factorization.

25673750610461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139284162.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 25673750610461 in words is "twenty-five trillion, six hundred seventy-three billion, seven hundred fifty million, six hundred ten thousand, four hundred sixty-one".