25408241073 has 6 divisors (see below), whose sum is σ = 36700792674. Its totient is φ = 16938827376.

The previous prime is 25408241063. The next prime is 25408241137. The reversal of 25408241073 is 37014280452.

It is a happy number.

25408241073 is a `hidden beast` number, since 2 + 5 + 408 + 241 + 0 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22749085584 + 2659155489 = 150828^2 + 51567^2 .

It is not a de Polignac number, because 25408241073 - 2⁶ = 25408241009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25408241003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1411568940 + ... + 1411568957.

It is an arithmetic number, because the mean of its divisors is an integer number (6116798779).

Almost surely, 2^25408241073 is an apocalyptic number.

It is an amenable number.

25408241073 is a deficient number, since it is larger than the sum of its proper divisors (11292551601).

25408241073 is a wasteful number, since it uses less digits than its factorization.

25408241073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823137903 (or 2823137900 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 25408241073 in words is "twenty-five billion, four hundred eight million, two hundred forty-one thousand, seventy-three".