25445525041 has 8 divisors (see below), whose sum is σ = 26135858880. Its totient is φ = 24755329008.

The previous prime is 25445525023. The next prime is 25445525051. The reversal of 25445525041 is 14052554452.

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 25445525041 - 2¹⁹ = 25445000753 is a prime.

It is a super-2 number, since 2×25445525041² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25445525051) 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, 420030 + ... + 476776.

It is an arithmetic number, because the mean of its divisors is an integer number (3266982360).

Almost surely, 2^25445525041 is an apocalyptic number.

It is an amenable number.

25445525041 is a deficient number, since it is larger than the sum of its proper divisors (690333839).

25445525041 is a wasteful number, since it uses less digits than its factorization.

25445525041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68903.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 25445525041 in words is "twenty-five billion, four hundred forty-five million, five hundred twenty-five thousand, forty-one".