2508492321 has 20 divisors (see below), whose sum is σ = 3810774000. Its totient is φ = 1643980536.

The previous prime is 2508492289. The next prime is 2508492353. The reversal of 2508492321 is 1232948052.

It is a happy number.

2508492321 is a `hidden beast` number, since 250 + 84 + 9 + 2 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (2508492289) and next prime (2508492353).

It is not a de Polignac number, because 2508492321 - 2⁵ = 2508492289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2508492221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 257671 + ... + 267228.

It is an arithmetic number, because the mean of its divisors is an integer number (190538700).

Almost surely, 2^2508492321 is an apocalyptic number.

It is an amenable number.

2508492321 is a deficient number, since it is larger than the sum of its proper divisors (1302281679).

2508492321 is an equidigital number, since it uses as much as digits as its factorization.

2508492321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524970 (or 524961 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2508492321 is about 50084.8512127170. The cubic root of 2508492321 is about 1358.7438518448.

The spelling of 2508492321 in words is "two billion, five hundred eight million, four hundred ninety-two thousand, three hundred twenty-one".