4987451 has 4 divisors (see below), whose sum is σ = 5699952. Its totient is φ = 4274952.

The previous prime is 4987439. The next prime is 4987453. The reversal of 4987451 is 1547894.

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 4987451 - 2¹⁰ = 4986427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4987453) 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, 356240 + ... + 356253.

It is an arithmetic number, because the mean of its divisors is an integer number (1424988).

Almost surely, 2^4987451 is an apocalyptic number.

4987451 is a deficient number, since it is larger than the sum of its proper divisors (712501).

4987451 is an equidigital number, since it uses as much as digits as its factorization.

4987451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712500.

The product of its digits is 40320, while the sum is 38.

The square root of 4987451 is about 2233.2601729310. The cubic root of 4987451 is about 170.8544182317.

The spelling of 4987451 in words is "four million, nine hundred eighty-seven thousand, four hundred fifty-one".