25042205241 has 16 divisors (see below), whose sum is σ = 37114276800. Its totient is φ = 16688182464.

The previous prime is 25042205239. The next prime is 25042205291. The reversal of 25042205241 is 14250224052.

It is not a de Polignac number, because 25042205241 - 2¹ = 25042205239 is a prime.

It is a super-2 number, since 2×25042205241² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25042205231) 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, 114096 + ... + 251201.

It is an arithmetic number, because the mean of its divisors is an integer number (2319642300).

Almost surely, 2^25042205241 is an apocalyptic number.

It is an amenable number.

25042205241 is a deficient number, since it is larger than the sum of its proper divisors (12072071559).

25042205241 is a wasteful number, since it uses less digits than its factorization.

25042205241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367845 (or 367839 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 25042205241 its reverse (14250224052), we get a palindrome (39292429293).

The spelling of 25042205241 in words is "twenty-five billion, forty-two million, two hundred five thousand, two hundred forty-one".