25413254535 has 16 divisors (see below), whose sum is σ = 40767381504. Its totient is φ = 13518344352.

The previous prime is 25413254519. The next prime is 25413254539. The reversal of 25413254535 is 53545231452.

It is not a de Polignac number, because 25413254535 - 2⁴ = 25413254519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25413254493 and 25413254502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413254539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2206027 + ... + 2217516.

It is an arithmetic number, because the mean of its divisors is an integer number (2547961344).

Almost surely, 2^25413254535 is an apocalyptic number.

25413254535 is a deficient number, since it is larger than the sum of its proper divisors (15354126969).

25413254535 is a wasteful number, since it uses less digits than its factorization.

25413254535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423934.

The product of its digits is 360000, while the sum is 39.

Adding to 25413254535 its reverse (53545231452), we get a palindrome (78958485987).

The spelling of 25413254535 in words is "twenty-five billion, four hundred thirteen million, two hundred fifty-four thousand, five hundred thirty-five".