4992521 has 8 divisors (see below), whose sum is σ = 5216640. Its totient is φ = 4773168.

The previous prime is 4992517. The next prime is 4992539. The reversal of 4992521 is 1252994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4992521 - 2² = 4992517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4992511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (652080).

Almost surely, 2^4992521 is an apocalyptic number.

It is an amenable number.

4992521 is a deficient number, since it is larger than the sum of its proper divisors (224119).

4992521 is a wasteful number, since it uses less digits than its factorization.

4992521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its digits is 6480, while the sum is 32.

The square root of 4992521 is about 2234.3949964140. The cubic root of 4992521 is about 170.9122927213.

The spelling of 4992521 in words is "four million, nine hundred ninety-two thousand, five hundred twenty-one".