2500321279 has 2 divisors, whose sum is σ = 2500321280. Its totient is φ = 2500321278.

The previous prime is 2500321273. The next prime is 2500321349. The reversal of 2500321279 is 9721230052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500321279 - 2¹³ = 2500313087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500321279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500321273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250160639 + 1250160640.

It is an arithmetic number, because the mean of its divisors is an integer number (1250160640).

Almost surely, 2^2500321279 is an apocalyptic number.

2500321279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500321279 is an equidigital number, since it uses as much as digits as its factorization.

2500321279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2500321279 is about 50003.2126867864. The cubic root of 2500321279 is about 1357.2669448323.

The spelling of 2500321279 in words is "two billion, five hundred million, three hundred twenty-one thousand, two hundred seventy-nine".