2452501321 has 4 divisors (see below), whose sum is σ = 2494069200. Its totient is φ = 2410933444.

The previous prime is 2452501231. The next prime is 2452501327. The reversal of 2452501321 is 1231052542.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1231052542 = 2 ⋅615526271.

It is a cyclic number.

It is not a de Polignac number, because 2452501321 - 2⁷ = 2452501193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452501327) 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, 20783851 + ... + 20783968.

It is an arithmetic number, because the mean of its divisors is an integer number (623517300).

Almost surely, 2^2452501321 is an apocalyptic number.

It is an amenable number.

2452501321 is a deficient number, since it is larger than the sum of its proper divisors (41567879).

2452501321 is an equidigital number, since it uses as much as digits as its factorization.

2452501321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41567878.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2452501321 is about 49522.7353949678. The cubic root of 2452501321 is about 1348.5583734675.

Adding to 2452501321 its reverse (1231052542), we get a palindrome (3683553863).

The spelling of 2452501321 in words is "two billion, four hundred fifty-two million, five hundred one thousand, three hundred twenty-one".