25305414134 has 96 divisors (see below), whose sum is σ = 51810373440. Its totient is φ = 9019422720.

The previous prime is 25305414109. The next prime is 25305414137. The reversal of 25305414134 is 43141450352.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25305414134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305414137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2483402 + ... + 2493570.

It is an arithmetic number, because the mean of its divisors is an integer number (539691390).

Almost surely, 2^25305414134 is an apocalyptic number.

25305414134 is an abundant number, since it is smaller than the sum of its proper divisors (26504959306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25305414134 is a wasteful number, since it uses less digits than its factorization.

25305414134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 10315 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25305414134 its reverse (43141450352), we get a palindrome (68446864486).

The spelling of 25305414134 in words is "twenty-five billion, three hundred five million, four hundred fourteen thousand, one hundred thirty-four".