25250440342153 has 8 divisors (see below), whose sum is σ = 27192850573896. Its totient is φ = 23308039920000.

The previous prime is 25250440342109. The next prime is 25250440342181. The reversal of 25250440342153 is 35124304405252.

It can be written as a sum of positive squares in 4 ways, for example, as 2208933117504 + 23041507224649 = 1486248^2 + 4800157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25250440342153 - 2⁹ = 25250440341641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25250440349153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413373 + ... + 7883653.

It is an arithmetic number, because the mean of its divisors is an integer number (3399106321737).

Almost surely, 2^{25250440342153} is an apocalyptic number.

It is an amenable number.

25250440342153 is a deficient number, since it is larger than the sum of its proper divisors (1942410231743).

25250440342153 is a wasteful number, since it uses less digits than its factorization.

25250440342153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904795.

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 25250440342153 in words is "twenty-five trillion, two hundred fifty billion, four hundred forty million, three hundred forty-two thousand, one hundred fifty-three".