4521494 has 16 divisors (see below), whose sum is σ = 7008768. Its totient is φ = 2186472.

The previous prime is 4521427. The next prime is 4521509. The reversal of 4521494 is 4941254.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9449 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (438048).

Almost surely, 2^4521494 is an apocalyptic number.

4521494 is a deficient number, since it is larger than the sum of its proper divisors (2487274).

4521494 is a wasteful number, since it uses less digits than its factorization.

4521494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its digits is 5760, while the sum is 29.

The square root of 4521494 is about 2126.3804927623. The cubic root of 4521494 is about 165.3588029108.

Adding to 4521494 its product of digits (5760), we get a palindrome (4527254).

The spelling of 4521494 in words is "four million, five hundred twenty-one thousand, four hundred ninety-four".