2253125021 has 8 divisors (see below), whose sum is σ = 2601547200. Its totient is φ = 1911339648.

The previous prime is 2253124987. The next prime is 2253125081. The reversal of 2253125021 is 1205213522.

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 2253125021 - 2¹⁸ = 2252862877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253125081) 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, 1658471 + ... + 1659828.

It is an arithmetic number, because the mean of its divisors is an integer number (325193400).

Almost surely, 2^2253125021 is an apocalyptic number.

It is an amenable number.

2253125021 is a deficient number, since it is larger than the sum of its proper divisors (348422179).

2253125021 is an equidigital number, since it uses as much as digits as its factorization.

2253125021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318403.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2253125021 is about 47467.0940863247. The cubic root of 2253125021 is about 1310.9770736365.

Adding to 2253125021 its reverse (1205213522), we get a palindrome (3458338543).

The spelling of 2253125021 in words is "two billion, two hundred fifty-three million, one hundred twenty-five thousand, twenty-one".