2505354321 has 8 divisors (see below), whose sum is σ = 3343826944. Its totient is φ = 1668558960.

The previous prime is 2505354289. The next prime is 2505354359. The reversal of 2505354321 is 1234535052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2505354321 - 2⁵ = 2505354289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505354521) 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, 415825 + ... + 421806.

It is an arithmetic number, because the mean of its divisors is an integer number (417978368).

Almost surely, 2^2505354321 is an apocalyptic number.

It is an amenable number.

2505354321 is a deficient number, since it is larger than the sum of its proper divisors (838472623).

2505354321 is an equidigital number, since it uses as much as digits as its factorization.

2505354321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838631.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2505354321 is about 50053.5145719059. The cubic root of 2505354321 is about 1358.1770416116.

Adding to 2505354321 its reverse (1234535052), we get a palindrome (3739889373).

The spelling of 2505354321 in words is "two billion, five hundred five million, three hundred fifty-four thousand, three hundred twenty-one".