4521522403 has 8 divisors (see below), whose sum is σ = 4600255760. Its totient is φ = 4443120000.

The previous prime is 4521522389. The next prime is 4521522431. The reversal of 4521522403 is 3042251254.

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 4521522403 - 2⁵ = 4521522371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521522463) 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, 55098 + ... + 109903.

It is an arithmetic number, because the mean of its divisors is an integer number (575031970).

Almost surely, 2^4521522403 is an apocalyptic number.

4521522403 is a deficient number, since it is larger than the sum of its proper divisors (78733357).

4521522403 is a wasteful number, since it uses less digits than its factorization.

4521522403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165477.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4521522403 is about 67242.2664921402. The cubic root of 4521522403 is about 1653.5914915893.

Adding to 4521522403 its reverse (3042251254), we get a palindrome (7563773657).

The spelling of 4521522403 in words is "four billion, five hundred twenty-one million, five hundred twenty-two thousand, four hundred three".