4305120253 has 40 divisors (see below), whose sum is σ = 5207776056. Its totient is φ = 3556224000.

The previous prime is 4305120233. The next prime is 4305120269. The reversal of 4305120253 is 3520215034.

It can be written as a sum of positive squares in 4 ways, for example, as 140612164 + 4164508089 = 11858^2 + 64533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4305120253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4305120233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9942325 + ... + 9942757.

Almost surely, 2^4305120253 is an apocalyptic number.

It is an amenable number.

4305120253 is a deficient number, since it is larger than the sum of its proper divisors (902655803).

4305120253 is an equidigital number, since it uses as much as digits as its factorization.

4305120253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4305120253 is about 65613.4151907977. The cubic root of 4305120253 is about 1626.7785186112.

Adding to 4305120253 its reverse (3520215034), we get a palindrome (7825335287).

The spelling of 4305120253 in words is "four billion, three hundred five million, one hundred twenty thousand, two hundred fifty-three".