5130845 has 6 divisors (see below), whose sum is σ = 6163098. Its totient is φ = 4100624.

The previous prime is 5130823. The next prime is 5130847. The reversal of 5130845 is 5480315.

It can be written as a sum of positive squares in 3 ways, for example, as 850084 + 4280761 = 922^2 + 2069^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5130845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4559 + ... + 5571.

It is an arithmetic number, because the mean of its divisors is an integer number (1027183).

Almost surely, 2^5130845 is an apocalyptic number.

It is an amenable number.

5130845 is a deficient number, since it is larger than the sum of its proper divisors (1032253).

5130845 is an frugal number, since it uses more digits than its factorization.

5130845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5130845 is about 2265.1368612073. The cubic root of 5130845 is about 172.4763812793.

The spelling of 5130845 in words is "five million, one hundred thirty thousand, eight hundred forty-five".