3123530485 has 4 divisors (see below), whose sum is σ = 3748236588. Its totient is φ = 2498824384.

The previous prime is 3123530483. The next prime is 3123530503. The reversal of 3123530485 is 5840353213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 812421009 + 2311109476 = 28503^2 + 48074^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123530485 - 2¹ = 3123530483 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 3123530485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123530483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312353044 + ... + 312353053.

It is an arithmetic number, because the mean of its divisors is an integer number (937059147).

Almost surely, 2^3123530485 is an apocalyptic number.

It is an amenable number.

3123530485 is a deficient number, since it is larger than the sum of its proper divisors (624706103).

3123530485 is an equidigital number, since it uses as much as digits as its factorization.

3123530485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624706102.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 3123530485 is about 55888.5541502015. The cubic root of 3123530485 is about 1461.7796658194.

Adding to 3123530485 its reverse (5840353213), we get a palindrome (8963883698).

The spelling of 3123530485 in words is "three billion, one hundred twenty-three million, five hundred thirty thousand, four hundred eighty-five".