4999951 has 4 divisors (see below), whose sum is σ = 5454504. Its totient is φ = 4545400.

The previous prime is 4999949. The next prime is 4999957. The reversal of 4999951 is 1599994.

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 4999951 - 2¹ = 4999949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999957) 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, 227260 + ... + 227281.

It is an arithmetic number, because the mean of its divisors is an integer number (1363626).

Almost surely, 2^4999951 is an apocalyptic number.

4999951 is a deficient number, since it is larger than the sum of its proper divisors (454553).

4999951 is a wasteful number, since it uses less digits than its factorization.

4999951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454552.

The product of its digits is 131220, while the sum is 46.

The square root of 4999951 is about 2236.0570207399. The cubic root of 4999951 is about 170.9970360737.

It can be divided in two parts, 49 and 99951, that added together give a 5-th power (100000 = 10⁵).

The spelling of 4999951 in words is "four million, nine hundred ninety-nine thousand, nine hundred fifty-one".