4298521 has 4 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 4287844.

The previous prime is 4298513. The next prime is 4298533. The reversal of 4298521 is 1258924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4298521 - 2³ = 4298513 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4298521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4298551) 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, 4711 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^4298521 is an apocalyptic number.

It is an amenable number.

4298521 is a deficient number, since it is larger than the sum of its proper divisors (10679).

4298521 is a wasteful number, since it uses less digits than its factorization.

4298521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10678.

The product of its digits is 5760, while the sum is 31.

The square root of 4298521 is about 2073.2874860955. The cubic root of 4298521 is about 162.5946872222.

The spelling of 4298521 in words is "four million, two hundred ninety-eight thousand, five hundred twenty-one".