4951309 has 16 divisors (see below), whose sum is σ = 5642496. Its totient is φ = 4305600.

The previous prime is 4951277. The next prime is 4951333. The reversal of 4951309 is 9031594.

It is a cyclic number.

It is not a de Polignac number, because 4951309 - 2⁵ = 4951277 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 (4951379) 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 15 ways as a sum of consecutive naturals, for example, 31459 + ... + 31615.

It is an arithmetic number, because the mean of its divisors is an integer number (352656).

Almost surely, 2^4951309 is an apocalyptic number.

It is an amenable number.

4951309 is a deficient number, since it is larger than the sum of its proper divisors (691187).

4951309 is a wasteful number, since it uses less digits than its factorization.

4951309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 4951309 is about 2225.1537025563. The cubic root of 4951309 is about 170.4407134710.

The spelling of 4951309 in words is "four million, nine hundred fifty-one thousand, three hundred nine".