4780031 has 4 divisors (see below), whose sum is σ = 4804992. Its totient is φ = 4755072.

The previous prime is 4780007. The next prime is 4780033. The reversal of 4780031 is 1300874.

It is a happy number.

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 4780031 - 2²² = 585727 is a prime.

It is a super-2 number, since 2×4780031² = 45697392721922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4779979 and 4780006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12191 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (1201248).

Almost surely, 2^4780031 is an apocalyptic number.

4780031 is a deficient number, since it is larger than the sum of its proper divisors (24961).

4780031 is a wasteful number, since it uses less digits than its factorization.

4780031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 4780031 is about 2186.3282004310. The cubic root of 4780031 is about 168.4522842112.

The spelling of 4780031 in words is "four million, seven hundred eighty thousand, thirty-one".