2534220321 has 4 divisors (see below), whose sum is σ = 3378960432. Its totient is φ = 1689480212.

The previous prime is 2534220313. The next prime is 2534220329. The reversal of 2534220321 is 1230224352.

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 an interprime number because it is at equal distance from previous prime (2534220313) and next prime (2534220329).

It is a cyclic number.

It is not a de Polignac number, because 2534220321 - 2³ = 2534220313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2534220291 and 2534220300.

It is not an unprimeable number, because it can be changed into a prime (2534220329) 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, 422370051 + ... + 422370056.

It is an arithmetic number, because the mean of its divisors is an integer number (844740108).

Almost surely, 2^2534220321 is an apocalyptic number.

It is an amenable number.

2534220321 is a deficient number, since it is larger than the sum of its proper divisors (844740111).

2534220321 is an equidigital number, since it uses as much as digits as its factorization.

2534220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844740110.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2534220321 is about 50341.0401263224. The cubic root of 2534220321 is about 1363.3733158940.

Adding to 2534220321 its reverse (1230224352), we get a palindrome (3764444673).

The spelling of 2534220321 in words is "two billion, five hundred thirty-four million, two hundred twenty thousand, three hundred twenty-one".