5091530 has 32 divisors (see below), whose sum is σ = 9631440. Its totient is φ = 1935360.

The previous prime is 5091529. The next prime is 5091547. The reversal of 5091530 is 351905.

It can be written as a sum of positive squares in 8 ways, for example, as 635209 + 4456321 = 797^2 + 2111^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5091496 and 5091505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28040 + ... + 28220.

Almost surely, 2^5091530 is an apocalyptic number.

5091530 is a deficient number, since it is larger than the sum of its proper divisors (4539910).

5091530 is a wasteful number, since it uses less digits than its factorization.

5091530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 5091530 is about 2256.4418893470. The cubic root of 5091530 is about 172.0347189694.

The spelling of 5091530 in words is "five million, ninety-one thousand, five hundred thirty".