25314243534 has 48 divisors (see below), whose sum is σ = 57491978544. Its totient is φ = 8040816000.

The previous prime is 25314243529. The next prime is 25314243587. The reversal of 25314243534 is 43534241352.

25314243534 is a `hidden beast` number, since 2 + 53 + 142 + 435 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367117 + ... + 430584.

It is an arithmetic number, because the mean of its divisors is an integer number (1197749553).

Almost surely, 2^25314243534 is an apocalyptic number.

25314243534 is an abundant number, since it is smaller than the sum of its proper divisors (32177735010).

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

25314243534 is a wasteful number, since it uses less digits than its factorization.

25314243534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797793 (or 797790 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 25314243534 its reverse (43534241352), we get a palindrome (68848484886).

The spelling of 25314243534 in words is "twenty-five billion, three hundred fourteen million, two hundred forty-three thousand, five hundred thirty-four".