25045323502541 has 8 divisors (see below), whose sum is σ = 25131831592824. Its totient is φ = 24958918955520.

The previous prime is 25045323502531. The next prime is 25045323502609. The reversal of 25045323502541 is 14520532354052.

It can be written as a sum of positive squares in 4 ways, for example, as 21161058013225 + 3884265489316 = 4600115^2 + 1970854^2 .

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 25045323502541 - 2¹⁸ = 25045323240397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045323502531) 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, 25401200 + ... + 26368761.

It is an arithmetic number, because the mean of its divisors is an integer number (3141478949103).

Almost surely, 2^{25045323502541} is an apocalyptic number.

It is an amenable number.

25045323502541 is a deficient number, since it is larger than the sum of its proper divisors (86508090283).

25045323502541 is a wasteful number, since it uses less digits than its factorization.

25045323502541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51771631.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 25045323502541 its reverse (14520532354052), we get a palindrome (39565855856593).

The spelling of 25045323502541 in words is "twenty-five trillion, forty-five billion, three hundred twenty-three million, five hundred two thousand, five hundred forty-one".