6456253321 has 8 divisors (see below), whose sum is σ = 7577996480. Its totient is φ = 5384365488.

The previous prime is 6456253301. The next prime is 6456253339. The reversal of 6456253321 is 1233526546.

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 6456253321 - 2⁵ = 6456253289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6456253301) 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, 12463551 + ... + 12464068.

It is an arithmetic number, because the mean of its divisors is an integer number (947249560).

Almost surely, 2^6456253321 is an apocalyptic number.

It is an amenable number.

6456253321 is a deficient number, since it is larger than the sum of its proper divisors (1121743159).

6456253321 is a wasteful number, since it uses less digits than its factorization.

6456253321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927663.

The product of its digits is 129600, while the sum is 37.

The square root of 6456253321 is about 80350.8140655712. The cubic root of 6456253321 is about 1862.0593563585.

Adding to 6456253321 its reverse (1233526546), we get a palindrome (7689779867).

The spelling of 6456253321 in words is "six billion, four hundred fifty-six million, two hundred fifty-three thousand, three hundred twenty-one".