4525421033 has 4 divisors (see below), whose sum is σ = 5171909760. Its totient is φ = 3878932308.

The previous prime is 4525421027. The next prime is 4525421041. The reversal of 4525421033 is 3301245254.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-4525421033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4525420987 and 4525421005.

It is not an unprimeable number, because it can be changed into a prime (4525421333) 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, 323244353 + ... + 323244366.

It is an arithmetic number, because the mean of its divisors is an integer number (1292977440).

Almost surely, 2^4525421033 is an apocalyptic number.

It is an amenable number.

4525421033 is a deficient number, since it is larger than the sum of its proper divisors (646488727).

4525421033 is an equidigital number, since it uses as much as digits as its factorization.

4525421033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646488726.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4525421033 is about 67271.2496762176. The cubic root of 4525421033 is about 1654.0666183890.

Adding to 4525421033 its reverse (3301245254), we get a palindrome (7826666287).

The spelling of 4525421033 in words is "four billion, five hundred twenty-five million, four hundred twenty-one thousand, thirty-three".