25541005523 has 8 divisors (see below), whose sum is σ = 29074346496. Its totient is φ = 22209569800.

The previous prime is 25541005487. The next prime is 25541005559. The reversal of 25541005523 is 32550014552.

It is an interprime number because it is at equal distance from previous prime (25541005487) and next prime (25541005559).

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

It is not a de Polignac number, because 25541005523 - 2¹⁰ = 25541004499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25541005523.

It is not an unprimeable number, because it can be changed into a prime (25541005123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50476043 + ... + 50476548.

It is an arithmetic number, because the mean of its divisors is an integer number (3634293312).

Almost surely, 2^25541005523 is an apocalyptic number.

25541005523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25541005523 is a deficient number, since it is larger than the sum of its proper divisors (3533340973).

25541005523 is a wasteful number, since it uses less digits than its factorization.

25541005523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100952625.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 25541005523 in words is "twenty-five billion, five hundred forty-one million, five thousand, five hundred twenty-three".