25253450334 has 24 divisors (see below), whose sum is σ = 62532353520. Its totient is φ = 7215271488.

The previous prime is 25253450311. The next prime is 25253450363. The reversal of 25253450334 is 43305435252.

25253450334 is a `hidden beast` number, since 25 + 253 + 4 + 50 + 334 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100211979 + ... + 100212230.

It is an arithmetic number, because the mean of its divisors is an integer number (2605514730).

Almost surely, 2^25253450334 is an apocalyptic number.

25253450334 is an abundant number, since it is smaller than the sum of its proper divisors (37278903186).

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

25253450334 is a wasteful number, since it uses less digits than its factorization.

25253450334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200424224 (or 200424221 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 25253450334 its reverse (43305435252), we get a palindrome (68558885586).

The spelling of 25253450334 in words is "twenty-five billion, two hundred fifty-three million, four hundred fifty thousand, three hundred thirty-four".