25258013853 has 16 divisors (see below), whose sum is σ = 34528338240. Its totient is φ = 16414723584.

The previous prime is 25258013849. The next prime is 25258013863. The reversal of 25258013853 is 35831085252.

It is a happy number.

It is not a de Polignac number, because 25258013853 - 2² = 25258013849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25258013843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126676 + ... + 257997.

It is an arithmetic number, because the mean of its divisors is an integer number (2158021140).

Almost surely, 2^25258013853 is an apocalyptic number.

It is an amenable number.

25258013853 is a deficient number, since it is larger than the sum of its proper divisors (9270324387).

25258013853 is a wasteful number, since it uses less digits than its factorization.

25258013853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385228.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 25258013853 in words is "twenty-five billion, two hundred fifty-eight million, thirteen thousand, eight hundred fifty-three".