25245540134 has 16 divisors (see below), whose sum is σ = 38095760976. Its totient is φ = 12547180800.

The previous prime is 25245540119. The next prime is 25245540139. The reversal of 25245540134 is 43104554252.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25245540094 and 25245540103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245540139) 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, 166514 + ... + 279674.

It is an arithmetic number, because the mean of its divisors is an integer number (2380985061).

Almost surely, 2^25245540134 is an apocalyptic number.

25245540134 is a deficient number, since it is larger than the sum of its proper divisors (12850220842).

25245540134 is a wasteful number, since it uses less digits than its factorization.

25245540134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113831.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 25245540134 in words is "twenty-five billion, two hundred forty-five million, five hundred forty thousand, one hundred thirty-four".