2504659321 has 2 divisors, whose sum is σ = 2504659322. Its totient is φ = 2504659320.

The previous prime is 2504659303. The next prime is 2504659369. The reversal of 2504659321 is 1239564052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2504001600 + 657721 = 50040^2 + 811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2504659321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2504609321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252329660 + 1252329661.

It is an arithmetic number, because the mean of its divisors is an integer number (1252329661).

Almost surely, 2^2504659321 is an apocalyptic number.

It is an amenable number.

2504659321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504659321 is an equidigital number, since it uses as much as digits as its factorization.

2504659321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2504659321 is about 50046.5715209344. The cubic root of 2504659321 is about 1358.0514412347.

It can be divided in two parts, 2504 and 659321, that added together give a triangular number (661825 = T₁₁₅₀).

The spelling of 2504659321 in words is "two billion, five hundred four million, six hundred fifty-nine thousand, three hundred twenty-one".