25313035434 has 128 divisors (see below), whose sum is σ = 55354171392. Its totient is φ = 7696381440.

The previous prime is 25313035393. The next prime is 25313035453. The reversal of 25313035434 is 43453031352.

It is a junction number, because it is equal to n+sod(n) for n = 25313035395 and 25313035404.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54203269 + ... + 54203735.

It is an arithmetic number, because the mean of its divisors is an integer number (432454464).

Almost surely, 2^25313035434 is an apocalyptic number.

25313035434 is an abundant number, since it is smaller than the sum of its proper divisors (30041135958).

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

25313035434 is a wasteful number, since it uses less digits than its factorization.

25313035434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 25313035434 its reverse (43453031352), we get a palindrome (68766066786).

The spelling of 25313035434 in words is "twenty-five billion, three hundred thirteen million, thirty-five thousand, four hundred thirty-four".