4512253121 has 4 divisors (see below), whose sum is σ = 4542135744. Its totient is φ = 4482370500.

The previous prime is 4512253079. The next prime is 4512253127. The reversal of 4512253121 is 1213522154.

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 4512253121 - 2¹⁰ = 4512252097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4512253127) 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, 14941085 + ... + 14941386.

It is an arithmetic number, because the mean of its divisors is an integer number (1135533936).

Almost surely, 2^4512253121 is an apocalyptic number.

It is an amenable number.

4512253121 is a deficient number, since it is larger than the sum of its proper divisors (29882623).

4512253121 is a wasteful number, since it uses less digits than its factorization.

4512253121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29882622.

The product of its digits is 2400, while the sum is 26.

The square root of 4512253121 is about 67173.3066105875. The cubic root of 4512253121 is about 1652.4607447248.

Adding to 4512253121 its reverse (1213522154), we get a palindrome (5725775275).

The spelling of 4512253121 in words is "four billion, five hundred twelve million, two hundred fifty-three thousand, one hundred twenty-one".