1025530000523 has 4 divisors (see below), whose sum is σ = 1172034286320. Its totient is φ = 879025714728.

The previous prime is 1025530000511. The next prime is 1025530000529. The reversal of 1025530000523 is 3250000355201.

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

It is not a de Polignac number, because 1025530000523 - 2⁶ = 1025530000459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025530000492 and 1025530000501.

It is not an unprimeable number, because it can be changed into a prime (1025530000529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73252142888 + ... + 73252142901.

It is an arithmetic number, because the mean of its divisors is an integer number (293008571580).

Almost surely, 2^{1025530000523} is an apocalyptic number.

1025530000523 is a deficient number, since it is larger than the sum of its proper divisors (146504285797).

1025530000523 is an equidigital number, since it uses as much as digits as its factorization.

1025530000523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146504285796.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 1025530000523 its reverse (3250000355201), we get a palindrome (4275530355724).

The spelling of 1025530000523 in words is "one trillion, twenty-five billion, five hundred thirty million, five hundred twenty-three", and thus it is an aban number.