25343552452 has 12 divisors (see below), whose sum is σ = 44356060476. Its totient is φ = 12670392320.

The previous prime is 25343552447. The next prime is 25343552461. The reversal of 25343552452 is 25425534352.

It can be written as a sum of positive squares in 2 ways, for example, as 20519416516 + 4824135936 = 143246^2 + 69456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304213 + ... + 378460.

It is an arithmetic number, because the mean of its divisors is an integer number (3696338373).

Almost surely, 2^25343552452 is an apocalyptic number.

It is an amenable number.

25343552452 is a deficient number, since it is larger than the sum of its proper divisors (19012508024).

25343552452 is a wasteful number, since it uses less digits than its factorization.

25343552452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691958 (or 691956 counting only the distinct ones).

The product of its digits is 720000, while the sum is 40.

The spelling of 25343552452 in words is "twenty-five billion, three hundred forty-three million, five hundred fifty-two thousand, four hundred fifty-two".