4536931 has 4 divisors (see below), whose sum is σ = 5185072. Its totient is φ = 3888792.

The previous prime is 4536929. The next prime is 4536941. The reversal of 4536931 is 1396354.

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

It is a cyclic number.

It is not a de Polignac number, because 4536931 - 2¹ = 4536929 is a prime.

It is a super-2 number, since 2×4536931² = 41167485797522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4536893 and 4536902.

It is not an unprimeable number, because it can be changed into a prime (4536941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 324060 + ... + 324073.

It is an arithmetic number, because the mean of its divisors is an integer number (1296268).

Almost surely, 2^4536931 is an apocalyptic number.

4536931 is a deficient number, since it is larger than the sum of its proper divisors (648141).

4536931 is an equidigital number, since it uses as much as digits as its factorization.

4536931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648140.

The product of its digits is 9720, while the sum is 31.

The square root of 4536931 is about 2130.0072769829. The cubic root of 4536931 is about 165.5467750216.

Subtracting from 4536931 its sum of digits (31), we obtain a square (4536900 = 2130²).

The spelling of 4536931 in words is "four million, five hundred thirty-six thousand, nine hundred thirty-one".