25054204534 has 4 divisors (see below), whose sum is σ = 37581306804. Its totient is φ = 12527102266.

The previous prime is 25054204411. The next prime is 25054204541. The reversal of 25054204534 is 43540245052.

25054204534 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25054204534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263551132 + ... + 6263551135.

It is an arithmetic number, because the mean of its divisors is an integer number (9395326701).

Almost surely, 2^25054204534 is an apocalyptic number.

25054204534 is a deficient number, since it is larger than the sum of its proper divisors (12527102270).

25054204534 is a wasteful number, since it uses less digits than its factorization.

25054204534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12527102269.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 25054204534 its reverse (43540245052), we get a palindrome (68594449586).

The spelling of 25054204534 in words is "twenty-five billion, fifty-four million, two hundred four thousand, five hundred thirty-four".