2500534321 has 4 divisors (see below), whose sum is σ = 2506179312. Its totient is φ = 2494889332.

The previous prime is 2500534319. The next prime is 2500534343. The reversal of 2500534321 is 1234350052.

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 a cyclic number.

It is not a de Polignac number, because 2500534321 - 2¹ = 2500534319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500534381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2821831 + ... + 2822716.

It is an arithmetic number, because the mean of its divisors is an integer number (626544828).

Almost surely, 2^2500534321 is an apocalyptic number.

It is an amenable number.

2500534321 is a deficient number, since it is larger than the sum of its proper divisors (5644991).

2500534321 is an equidigital number, since it uses as much as digits as its factorization.

2500534321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644990.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2500534321 is about 50005.3429245316. The cubic root of 2500534321 is about 1357.3054927654.

Adding to 2500534321 its reverse (1234350052), we get a palindrome (3734884373).

The spelling of 2500534321 in words is "two billion, five hundred million, five hundred thirty-four thousand, three hundred twenty-one".