4999251 has 4 divisors (see below), whose sum is σ = 6665672. Its totient is φ = 3332832.

The previous prime is 4999243. The next prime is 4999273. The reversal of 4999251 is 1529994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4999251 - 2³ = 4999243 is a prime.

It is a super-2 number, since 2×4999251² = 49985021122002, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4999201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833206 + ... + 833211.

It is an arithmetic number, because the mean of its divisors is an integer number (1666418).

Almost surely, 2^4999251 is an apocalyptic number.

4999251 is a deficient number, since it is larger than the sum of its proper divisors (1666421).

4999251 is a wasteful number, since it uses less digits than its factorization.

4999251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666420.

The product of its digits is 29160, while the sum is 39.

The square root of 4999251 is about 2235.9004897356. The cubic root of 4999251 is about 170.9890557614.

The spelling of 4999251 in words is "four million, nine hundred ninety-nine thousand, two hundred fifty-one".