4999451 has 4 divisors (see below), whose sum is σ = 5262600. Its totient is φ = 4736304.

The previous prime is 4999447. The next prime is 4999453. The reversal of 4999451 is 1549994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1549994 = 2 ⋅774997.

It is a cyclic number.

It is not a de Polignac number, because 4999451 - 2² = 4999447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4999399 and 4999408.

It is not an unprimeable number, because it can be changed into a prime (4999453) 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, 131546 + ... + 131583.

It is an arithmetic number, because the mean of its divisors is an integer number (1315650).

Almost surely, 2^4999451 is an apocalyptic number.

4999451 is a deficient number, since it is larger than the sum of its proper divisors (263149).

4999451 is a wasteful number, since it uses less digits than its factorization.

4999451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263148.

The product of its digits is 58320, while the sum is 41.

The square root of 4999451 is about 2235.9452139979. The cubic root of 4999451 is about 170.9913359266.

The spelling of 4999451 in words is "four million, nine hundred ninety-nine thousand, four hundred fifty-one".