25413452250413 has 8 divisors (see below), whose sum is σ = 25667914025880. Its totient is φ = 25159046228800.

The previous prime is 25413452250371. The next prime is 25413452250499. The reversal of 25413452250413 is 31405225431452.

It can be written as a sum of positive squares in 4 ways, for example, as 15068821532164 + 10344630718249 = 3881858^2 + 3216307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25413452250413 - 2³⁰ = 25412378508589 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 (25413452252413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13021970 + ... + 14845827.

It is an arithmetic number, because the mean of its divisors is an integer number (3208489253235).

Almost surely, 2^{25413452250413} is an apocalyptic number.

It is an amenable number.

25413452250413 is a deficient number, since it is larger than the sum of its proper divisors (254461775467).

25413452250413 is a wasteful number, since it uses less digits than its factorization.

25413452250413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27876927.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 25413452250413 its reverse (31405225431452), we get a palindrome (56818677681865).

The spelling of 25413452250413 in words is "twenty-five trillion, four hundred thirteen billion, four hundred fifty-two million, two hundred fifty thousand, four hundred thirteen".