25275005302523 has 4 divisors (see below), whose sum is σ = 25281021732648. Its totient is φ = 25268988872400.

The previous prime is 25275005302501. The next prime is 25275005302537. The reversal of 25275005302523 is 32520350057252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25275005302523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275005302423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008208761 + ... + 3008217162.

It is an arithmetic number, because the mean of its divisors is an integer number (6320255433162).

Almost surely, 2^{25275005302523} is an apocalyptic number.

25275005302523 is a deficient number, since it is larger than the sum of its proper divisors (6016430125).

25275005302523 is an equidigital number, since it uses as much as digits as its factorization.

25275005302523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016430124.

The product of its (nonzero) digits is 630000, while the sum is 41.

Adding to 25275005302523 its reverse (32520350057252), we get a palindrome (57795355359775).

The spelling of 25275005302523 in words is "twenty-five trillion, two hundred seventy-five billion, five million, three hundred two thousand, five hundred twenty-three".