5003965 has 4 divisors (see below), whose sum is σ = 6004764. Its totient is φ = 4003168.

The previous prime is 5003963. The next prime is 5003969. The reversal of 5003965 is 5693005.

It is a happy number.

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 3308761 + 1695204 = 1819^2 + 1302^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003965 - 2¹ = 5003963 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 (5003963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500392 + ... + 500401.

It is an arithmetic number, because the mean of its divisors is an integer number (1501191).

Almost surely, 2^5003965 is an apocalyptic number.

It is an amenable number.

5003965 is a deficient number, since it is larger than the sum of its proper divisors (1000799).

5003965 is a wasteful number, since it uses less digits than its factorization.

5003965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000798.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 5003965 is about 2236.9544027539. The cubic root of 5003965 is about 171.0427830892.

It can be divided in two parts, 500 and 3965, that added together give a triangular number (4465 = T₉₄).

The spelling of 5003965 in words is "five million, three thousand, nine hundred sixty-five".