5213945 has 16 divisors (see below), whose sum is σ = 6974208. Its totient is φ = 3709440.

The previous prime is 5213941. The next prime is 5213947. The reversal of 5213945 is 5493125.

It is not a de Polignac number, because 5213945 - 2² = 5213941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5213941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (435888).

Almost surely, 2^5213945 is an apocalyptic number.

5213945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5213945 is a deficient number, since it is larger than the sum of its proper divisors (1760263).

5213945 is a wasteful number, since it uses less digits than its factorization.

5213945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its digits is 5400, while the sum is 29.

The square root of 5213945 is about 2283.4064465180. The cubic root of 5213945 is about 173.4025508401.

The spelling of 5213945 in words is "five million, two hundred thirteen thousand, nine hundred forty-five".